Grade 6 Science Worksheets

Grade 6 Science Worksheets

Every science worksheet on InstructorWeb that fits Grade 6, organized by skill and grouped for one grade — each with a complete answer key. Free samples plus member resources.

All Science Worksheets

All Grade 6 Worksheets

Grade 6

Grade Level

Science

Subject

9

Skills

100%

With Answer Keys

Jump to a skill:

Animal Classification

Force and Motion

Genetics and Heredity

Physical Science

Properties of Matter

Science Practices

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Penicillin Worksheet preview

Science · Grades 5–7

Penicillin Worksheet

A science worksheet on the discovery of penicillin, for grades 5 through 7. Students read a passage on Alexander Fleming's discovery and the Oxford team that turned it into a usable medicine, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

Salt Water Worksheet preview

Science · Grades 5–7

Salt Water Worksheet

A printable science worksheet for grades 5-7 on why the ocean is salty. Students read a one-page passage on sea salt's chemistry, the saltiest and least salty places in the ocean, how Earth's first fresh-water ocean turned salty, and how sediment and subduction keep salinity in balance, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

The Periodic Table Worksheet preview

Science · Grades 5–8

The Periodic Table Worksheet

A printable science worksheet for grades 5-8 on the periodic table. Students learn eight key terms – element, atom, symbol, atomic number, group, period, and metal – then match clues to terms and answer four short-response questions. A complete answer key is included.

Free Member · 3 pages · Answer Key

Animal Classification

Amphibians Worksheet preview

Science · Grades 3–6

Amphibians Worksheet

A printable science worksheet for grades 3-6 on amphibians. Students learn how amphibians go through metamorphosis, breathe with gills as young and lungs as adults, and keep moist skin, match eight terms to clues, and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Earth Science

Acid Rain Worksheet preview

Science · Grades 4–7

Acid Rain Worksheet

A printable science worksheet for grades 4-7 on acid rain. Students learn how burning fossil fuels leads to acid rain and how it damages the environment, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Caves and Karst Worksheet preview

Science · Grades 5–8

Caves and Karst Worksheet

A printable science worksheet for grades 5-8 on caves and karst. Students learn how slightly acidic groundwater dissolves limestone to carve caverns, stalactites, and stalagmites, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Comets, Asteroids, and Meteors Worksheet preview

Science · Grades 4–6

Comets, Asteroids, and Meteors Worksheet

A printable science worksheet for grades 4-6 on the small objects in our solar system. Students sort clues into comets, asteroids, and meteors and answer short-response questions, including the meteor versus meteorite difference. A complete answer key is included.

Full Member · 3 pages · Answer Key

Convection Currents Worksheet preview

Science · Grades 5–8

Convection Currents Worksheet

A printable science worksheet for grades 5-8 on convection currents. Students learn how warm fluid rises and cool fluid sinks to form a loop, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Earth's Magnetic Field Worksheet preview

Science · Grades 5–8

Earth's Magnetic Field Worksheet

A printable science worksheet for grades 5-8 on Earth's magnetic field. Students learn how Earth acts like a giant magnet, how the field protects us and guides a compass, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Galaxies Worksheet preview

Science · Grades 5–8

Galaxies Worksheet

A printable science worksheet for grades 5-8 on galaxies. Students learn the three main galaxy types, study a labeled diagram, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Glaciers Worksheet preview

Science · Grades 5–8

Glaciers Worksheet

A printable science worksheet for grades 5-8 on glaciers. Students learn how a glacier forms, moves slowly downhill, and shapes the land through erosion, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Hurricanes and Tornadoes Worksheet preview

Science · Grades 3–7

Hurricanes and Tornadoes Worksheet

A printable science worksheet for grades 3-7 on hurricanes and tornadoes. Students learn how these two powerful storms differ, match eight clues, then answer four questions. A complete answer key is included.

Free Member · 3 pages · Answer Key

Inner and Outer Planets Worksheet preview

Science · Grades 4–7

Inner and Outer Planets Worksheet

A printable science worksheet for grades 4-7 on the inner and outer planets. Students learn how the rocky inner planets differ from the gas-giant outer planets, match eight clues to the correct terms, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Moon Phases Worksheet preview

Science · Grades 4–6

Moon Phases Worksheet

A printable earth-and-space-science worksheet for grades 4-6 on the phases of the Moon: why the Moon appears to change shape, the eight phases in order, and how to tell a waxing phase from a waning one. Students name the phase from eight descriptions, then answer four short questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Ocean Zones Worksheet preview

Science · Grades 4–7

Ocean Zones Worksheet

A printable science worksheet for grades 4-7 on ocean zones. Students learn the five ocean depth zones from a labeled diagram, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Plate Tectonics Crossword Puzzle Worksheet preview

Science · Grades 6–8

Plate Tectonics Crossword Puzzle Worksheet

A printable plate tectonics crossword puzzle for grades 6 to 8. Students read 15 clues about Earth's layers, moving plates, earthquakes and volcanoes and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Plate Tectonics Word Search Worksheet preview

Science · Grades 6–8

Plate Tectonics Word Search Worksheet

A printable plate tectonics word search for grades 6 to 8. Students find 15 words about Earth's layers, moving plates, earthquakes and volcanoes, hidden across, down, diagonally, and backward, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Plate Tectonics Worksheet preview

Science · Grades 6–8

Plate Tectonics Worksheet

A printable science worksheet for grades 6-8 on plate tectonics. Students match clues to tectonic plates, the crust and mantle, and the three types of plate boundaries, then answer four short-response questions about what makes plates move. A complete answer key is included.

Full Member · 3 pages · Answer Key

Reading a Climate Graph Worksheet preview

Science · Grades 6–9

Reading a Climate Graph Worksheet

Read a climate graph with rainfall bars on one scale and a temperature line on the other. Printable PDF with a complete answer key.

Full Member · 3 pages · Answer Key

Renewable and Nonrenewable Resources Worksheet preview

Science · Grades 4–6

Renewable and Nonrenewable Resources Worksheet

A printable science worksheet for grades 4-6 on renewable and nonrenewable resources: renewable resources are replaced quickly by nature, while nonrenewable resources can run out. Students classify eight resources, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Salt Water Worksheet preview

Science · Grades 5–7

Salt Water Worksheet

A printable science worksheet for grades 5-7 on why the ocean is salty. Students read a one-page passage on sea salt's chemistry, the saltiest and least salty places in the ocean, how Earth's first fresh-water ocean turned salty, and how sediment and subduction keep salinity in balance, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Sedimentary, Igneous, and Metamorphic Rocks Worksheet preview

Science · Grades 4–7

Sedimentary, Igneous, and Metamorphic Rocks Worksheet

A printable science worksheet for grades 4-7 on the three kinds of rock. Students learn how igneous rock cools from magma, sedimentary rock forms in layers, and metamorphic rock forms under heat and pressure, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Stars and Constellations Worksheet preview

Science · Grades 4–6

Stars and Constellations Worksheet

A printable earth-and-space-science worksheet for grades 4-6 on stars and constellations: a star is a giant ball of hot gas that makes its own light, the Sun is our closest star, and a constellation is a pattern of stars. Students judge eight true/false statements, then answer four short questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Carbon Cycle Worksheet preview

Science · Grades 6–8

The Carbon Cycle Worksheet

A printable science worksheet for grades 6-8 on the carbon cycle. Students match clues to photosynthesis, respiration, decomposition, and combustion, then answer four short-response questions about how carbon moves through nature. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Greenhouse Effect Worksheet preview

Science · Grades 5–7

The Greenhouse Effect Worksheet

A printable science worksheet for grades 5-7 on the greenhouse effect: how gases like carbon dioxide and water vapor trap the Sun's heat and keep Earth warm. Students judge eight true-or-false statements, then explain the process. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Layers of the Atmosphere Worksheet preview

Science · Grades 5–8

The Layers of the Atmosphere Worksheet

A printable science worksheet for grades 5-8 on the layers of the atmosphere. Students study a labeled diagram of the five layers, match eight clues to the correct terms, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Nitrogen Cycle Worksheet preview

Science · Grades 6–8

The Nitrogen Cycle Worksheet

A printable science worksheet for grades 6-8 on the nitrogen cycle. Students match clues to the steps of fixation, uptake, decomposition, and denitrification, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Ozone Layer Worksheet preview

Science · Grades 5–8

The Ozone Layer Worksheet

A printable science worksheet for grades 5-8 on the ozone layer. Students learn how ozone in the stratosphere absorbs the Sun's harmful UV rays and how CFCs created the ozone hole, match eight terms to clues, and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Rock Cycle Worksheet preview

Science · Grades 4–6

The Rock Cycle Worksheet

A printable science worksheet for grades 4-6 on the rock cycle: how igneous, sedimentary, and metamorphic rocks form and change from one type to another. Students name the rock type from eight clues, then answer four short questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Sun Worksheet preview

Science · Grades 5–8

The Sun Worksheet

A printable science worksheet for grades 5-8 on the Sun. Students learn that the Sun is a star, study a labeled cutaway diagram, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Water Table and Groundwater Worksheet preview

Science · Grades 5–8

The Water Table and Groundwater Worksheet

A printable science worksheet for grades 5-8 on groundwater and the water table. Students learn how rain soaks into the ground to fill the spaces in soil and rock below the water table, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Tsunamis Worksheet preview

Science · Grades 4–7

Tsunamis Worksheet

A printable science worksheet for grades 4-7 on tsunamis. Students learn how an underwater earthquake creates giant waves that grow tall near shore, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Weathering Worksheet preview

Science · Grades 4–6

Weathering Worksheet

A printable science worksheet for grades 4-6 on weathering: the slow breaking apart of rock in place, and how it differs from erosion, which moves the broken pieces. Students classify eight examples as weathering or erosion, then answer four short questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Force and Motion

Compound Machines Worksheet preview

Science · Grades 3–6

Compound Machines Worksheet

A printable science worksheet for grades 3-6 on compound machines. Students learn how the six simple machines combine into compound machines like scissors and bicycles, match eight terms to clues, and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Distance-Time Graphs Worksheet preview

Science · Grades 6–8

Distance-Time Graphs Worksheet

A printable science worksheet for grades 6-8 on distance-time graphs. Students will read a distance-time graph, tell moving from stopped, and work out a speed from the slope of a section.

Full Member · 3 pages · Answer Key

Speed, Distance, and Time Worksheet preview

Science · Grades 6–8

Speed, Distance, and Time Worksheet

A printable science worksheet for grades 6-8 on speed, distance, and time. Students will calculate speed, distance or time using the speed formula and give the answer with its unit.

Free Member · 3 pages · Answer Key

Genetics and Heredity

Dominant and Recessive Traits Worksheet preview

Science · Grades 6–9

Dominant and Recessive Traits Worksheet

A printable science worksheet for grades 6-9 on dominant and recessive traits. Students learn how alleles pass traits from parents to offspring and how dominant and recessive alleles show up, match eight terms to clues, and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Genotype and Phenotype Worksheet preview

Science · Grades 6–9

Genotype and Phenotype Worksheet

A printable science worksheet for grades 6-9 on genotype and phenotype. Students will read a genotype, name the phenotype it produces, and tell a homozygous pair from a heterozygous one.

Free Member · 3 pages · Answer Key

Selective Breeding Worksheet preview

Science · Grades 6–9

Selective Breeding Worksheet

A printable science worksheet for grades 6-9 on selective breeding. Students will explain how choosing parents changes a population over generations, and tell an inherited trait from an acquired one.

Full Member · 3 pages · Answer Key

Life Science

Asexual Reproduction Worksheet preview

Science · Grades 5–8

Asexual Reproduction Worksheet

A life science worksheet about asexual reproduction for grades 5 through 8. Students read about binary fission, budding, fragmentation, and the runners and cuttings plants use, then answer multiple choice, true/false, and fill-in-the-blank questions about how one parent produces identical offspring and why that is both an advantage and a risk.

Full Member · 3 pages · Answer Key

Bacteria and Viruses Worksheet preview

Science · Grades 5–8

Bacteria and Viruses Worksheet

A printable science worksheet for grades 5-8 on bacteria and viruses. Students learn how single-celled bacteria differ from non-living viruses that need a host cell, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Bioluminescence Worksheet preview

Science · Grades 4–7

Bioluminescence Worksheet

A printable science worksheet for grades 4-7 on bioluminescence. Students learn how living things like fireflies and anglerfish make their own light through a chemical reaction, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Biomes Worksheet preview

Science · Grades 4–6

Biomes Worksheet

A printable science worksheet for grades 4-6 on biomes: large regions like the desert, rainforest, tundra, grassland, and ocean, each with its own climate and living things. Students match eight clues to their biome, then explain what sets biomes apart. A complete answer key is included.

Full Member · 3 pages · Answer Key

Botany Worksheet preview

Science · Grades 5–6

Botany Worksheet

A printable life-science worksheet for grades 5-6 on botany as a field of study. Students read a one-page passage covering plant anatomy, plant ecology, plant taxonomy and horticulture, then answer four multiple-choice questions, five true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Cell Division Worksheet preview

Science · Grades 6–8

Cell Division Worksheet

A printable science worksheet for grades 6-8 on cell division. Students learn how mitosis makes two identical cells, study a labeled diagram of the stages, match eight clues, and answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Cells Crossword Puzzle Worksheet preview

Science · Grades 6–8

Cells Crossword Puzzle Worksheet

A printable cells crossword puzzle for grades 6 to 8. Students read 15 clues about cell parts and what each one does and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Cells Word Search Worksheet preview

Science · Grades 6–8

Cells Word Search Worksheet

A printable cells word search for grades 6 to 8. Students find 15 words about cell parts and organelles, from the nucleus to the mitochondria, hidden across, down, diagonally, and backward, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Cellular Respiration Worksheet preview

Science · Grades 6–8

Cellular Respiration Worksheet

A printable science worksheet for grades 6-8 on cellular respiration. Students learn how cells release energy from food using eight key terms, then match clues to terms and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Coral Reefs Worksheet preview

Science · Grades 3–6

Coral Reefs Worksheet

A printable science worksheet for grades 3-6 on coral reefs. Students learn how tiny polyps build a reef and the partnership between coral and algae, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Ecosystems Crossword Puzzle Worksheet preview

Science · Grades 6–8

Ecosystems Crossword Puzzle Worksheet

A printable ecosystems crossword puzzle for grades 6 to 8. Students read 15 clues about food webs, roles in an ecosystem and relationships between organisms and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Ecosystems Word Search Worksheet preview

Science · Grades 6–8

Ecosystems Word Search Worksheet

A printable ecosystems word search for grades 6 to 8. Students find 15 words about ecosystem roles and relationships: producers, predators, niches and more, hidden across, down, diagonally, and backward, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Endangered Species Worksheet preview

Science · Grades 4–7

Endangered Species Worksheet

A printable science worksheet for grades 4-7 on endangered species. Students match clues to terms such as extinct, habitat loss, poaching, conservation, and biodiversity, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Fish Classification Worksheet preview

Science · Grades 5–8

Fish Classification Worksheet

A printable science worksheet for grades 5-8 on the classification of fish. Students read a one-page passage on the three groups of living fish — jawless, cartilaginous and bony — and on how a shark and a bony fish solve floating and breathing in completely different ways, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Forests of the World Worksheet preview

Science · Grades 5–8

Forests of the World Worksheet

A printable science worksheet for grades 5-8 on the world's major forest types. Students read a one-page passage on six forest biomes — and two corrections to common misconceptions, that trees cannot grow at the true poles and that rainforests are not really the source of most of Earth's oxygen — then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Fungi Worksheet preview

Science · Grades 4–7

Fungi Worksheet

A printable science worksheet for grades 4-7 on fungi. Students learn how fungi feed by absorbing nutrients, grow from threadlike hyphae, and reproduce by spores, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Genetic Mutations Worksheet preview

Science · Grades 6–9

Genetic Mutations Worksheet

A printable science worksheet for grades 6-9 on genetic mutations. Students learn how a mutation is a change in the DNA of a gene, what can cause one, and that some are harmful while others are harmless or helpful, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Genetics and Heredity Worksheet preview

Science · Grades 6–8

Genetics and Heredity Worksheet

A printable science worksheet for grades 6-8 on genetics and heredity. Students learn the key terms – heredity, genes, DNA, dominant, and recessive – match eight clues, then answer four short-response questions. A complete answer key is included.

Free Member · 3 pages · Answer Key

Hermit Crabs Worksheet preview

Science · Grades 4–6

Hermit Crabs Worksheet

A science worksheet on hermit crabs and how they live in borrowed shells, for grades 4 through 6. Students read a passage on hermit crab biology and behavior, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

Invasive Species Worksheet preview

Science · Grades 4–7

Invasive Species Worksheet

A printable science worksheet for grades 4-7 on invasive species. Students learn how a non-native species spreads and harms an ecosystem, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Mollusks Worksheet preview

Science · Grades 6–8

Mollusks Worksheet

A printable science worksheet for grades 6-8 on mollusks. Students read a one-page passage on the phylum Mollusca — invertebrates with soft bodies and true hearts, the radula, the mantle that builds the shell, and the three major classes — then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Natural Selection Worksheet preview

Science · Grades 6–8

Natural Selection Worksheet

A printable science worksheet for grades 6-8 on natural selection. Students learn how species change over time using eight key terms, then match clues to terms and answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Osmosis and Diffusion Worksheet preview

Science · Grades 6–9

Osmosis and Diffusion Worksheet

A printable science worksheet for grades 6-9 on osmosis and diffusion. Students learn how particles spread from high to low concentration and how water moves across a membrane, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

Ostriches Worksheet preview

Science · Grades 4–6

Ostriches Worksheet

A printable science worksheet for grades 4-6 on ostriches. Students read a one-page passage on the largest living bird — two toes, a 43-mile-an-hour run, eyes bigger than its brain, and the truth about the head-in-the-sand story — then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Penicillin Worksheet preview

Science · Grades 5–7

Penicillin Worksheet

A science worksheet on the discovery of penicillin, for grades 5 through 7. Students read a passage on Alexander Fleming's discovery and the Oxford team that turned it into a usable medicine, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

Plant Nutrition Worksheet preview

Science · Grades 5–7

Plant Nutrition Worksheet

A science worksheet on how plants get nutrition from air and soil, for grades 5 through 7. Students read a passage on photosynthesis, nutrients, and nitrogen fixation, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

Plant and Animal Cells Worksheet preview

Science · Grades 5–7

Plant and Animal Cells Worksheet

A printable science worksheet for grades 5-7 on the parts of a cell. Students match clues to the cell membrane, nucleus, cytoplasm, mitochondria, cell wall, chloroplast, and vacuole, then answer four short-response questions about plant and animal cells. A complete answer key is included.

Full Member · 4 pages · Answer Key

Sea Jellies Worksheet preview

Science · Grades 6–8

Sea Jellies Worksheet

A printable science worksheet for grades 6-8 on sea jellies. Students read a one-page passage on the phylum Cnidaria — radial symmetry, a nerve net instead of a brain, the three body layers, the nematocyst that fires like a harpoon, and the two-stage life cycle — then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

Symbiosis Worksheet preview

Science · Grades 5–7

Symbiosis Worksheet

A printable science worksheet for grades 5-7 on symbiosis: the three close relationships between species – mutualism (both helped), commensalism (one helped, one unaffected), and parasitism (one helped, one harmed). Students classify eight relationships, then explain each kind. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Chambered Nautilus Worksheet preview

Science · Grades 6–8

The Chambered Nautilus Worksheet

A printable science worksheet for grades 6-8 on the Chambered Nautilus. Students read a one-page passage on this living-fossil cephalopod, its pinhole-camera eyes, its buoyancy-controlled vertical migration, and its spiral, chambered shell, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

The Circulatory System Worksheet preview

Science · Grades 4–6

The Circulatory System Worksheet

A printable science worksheet for grades 4-6 on the circulatory system. Students match the heart, arteries, veins, capillaries, and blood to the job each one does, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Digestive System Worksheet preview

Science · Grades 4–6

The Digestive System Worksheet

A printable science worksheet for grades 4-6 on the human digestive system. Students match each organ to its job along the digestive path and answer short-response questions about how the body breaks down food. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Endocrine System Worksheet preview

Science · Grades 6–9

The Endocrine System Worksheet

A printable science worksheet for grades 6-9 on the endocrine system. Students learn how glands make hormones, study a labeled body diagram, match eight clues, and answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Excretory System Worksheet preview

Science · Grades 6–8

The Excretory System Worksheet

A printable science worksheet for grades 6-8 on the excretory system. Students study a labeled diagram of the kidneys, ureters, bladder, and urethra, match eight clues to the correct terms, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Galapagos Islands Worksheet preview

Science · Grades 4–6

The Galapagos Islands Worksheet

A printable science worksheet for grades 4-6 on the Galapagos Islands. Students read a one-page passage on how the islands were built by volcanoes, the giant tortoises that live nowhere else, and what Charles Darwin really learned there — then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

Free Member · 3 pages · Answer Key

The Human Eye Worksheet preview

Science · Grades 5–8

The Human Eye Worksheet

A printable science worksheet for grades 5-8 on the human eye. Students study a labeled cross-section diagram, match eight clues to eye parts like the cornea, pupil, and retina, then answer four short-response questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Immune System Worksheet preview

Science · Grades 5–8

The Immune System Worksheet

A printable science worksheet for grades 5-8 on the immune system. Students match clues to pathogens, white blood cells, antibodies, vaccines, and immunity, then answer four short-response questions about how the body fights disease. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Integumentary System Worksheet preview

Science · Grades 5–8

The Integumentary System Worksheet

A printable science worksheet for grades 5-8 on the integumentary system. Students learn how the skin's layers protect the body and help it stay cool, match eight terms to clues, and answer four short-response questions. A cross-section diagram and complete answer key are included.

Full Member · 3 pages · Answer Key

The Liver Worksheet preview

Science · Grades 5–7

The Liver Worksheet

A science worksheet on the liver and its many jobs in the body, for grades 5 through 7. Students read a passage on the liver's anatomy and functions, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

The Lymphatic System Worksheet preview

Science · Grades 5–8

The Lymphatic System Worksheet

A printable science worksheet for grades 5-8 on the lymphatic system. Students learn how lymph is drained from the tissues and how nodes and lymphocytes fight infection, match eight clues, then answer four questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Muscular System Worksheet preview

Science · Grades 5–7

The Muscular System Worksheet

A printable science worksheet for grades 5-7 on the muscular system. Students match clues to muscles, tendons, and the voluntary, involuntary, skeletal, smooth, and cardiac muscle types, then answer four short-response questions. A complete answer key is included.

Free Member · 3 pages · Answer Key

The Nervous System Worksheet preview

Science · Grades 5–7

The Nervous System Worksheet

A printable science worksheet for grades 5-7 on the nervous system. Students match clues to the brain, spinal cord, nerves, neurons, reflexes, and sense organs, then answer four short-response questions about how the body sends messages. A complete answer key is included.

Full Member · 3 pages · Answer Key

The Paper Nautilus Worksheet preview

Science · Grades 4–6

The Paper Nautilus Worksheet

A printable science worksheet for grades 4-6 on the Paper Nautilus. Students read a one-page passage on this true pelagic octopus, the fragile eggcase shell only the female builds, and how it differs from both the true, shelled Chambered Nautilus and most bottom-dwelling octopus species, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

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The Respiratory System Worksheet preview

Science · Grades 4–6

The Respiratory System Worksheet

A printable science worksheet for grades 4-6 on the respiratory system. Students match the nose, trachea, bronchi, lungs, alveoli, and diaphragm to the job each one does, then answer four short-response questions. A complete answer key is included.

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Tropisms in Plants Worksheet preview

Science · Grades 5–8

Tropisms in Plants Worksheet

A printable science worksheet for grades 5-8 on tropisms in plants. Students learn how a plant grows toward light, how roots grow down with gravity, and how vines curl around a support, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Vascular and Nonvascular Plants Worksheet preview

Science · Grades 4–7

Vascular and Nonvascular Plants Worksheet

A printable science worksheet for grades 4-7 on vascular and nonvascular plants. Students learn how vascular plants use tubes to carry water and food while nonvascular plants like moss stay small, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

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Physical Science

Acids and Bases Worksheet preview

Science · Grades 5–7

Acids and Bases Worksheet

A printable science worksheet for grades 5-7 on acids and bases: acids are sour with a pH below 7, and bases are bitter or slippery with a pH above 7. Students classify eight common substances, then answer four questions. A complete answer key is included.

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Atoms and Matter Crossword Puzzle Worksheet preview

Science · Grades 6–8

Atoms and Matter Crossword Puzzle Worksheet

A printable atoms and matter crossword puzzle for grades 6 to 8. Students read 15 clues about atoms, elements, compounds, mixtures and the states of matter and fill in the grid, with a word bank and an answer key.

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Atoms and Matter Word Search Worksheet preview

Science · Grades 6–8

Atoms and Matter Word Search Worksheet

A printable atoms and matter word search for grades 6 to 8. Students find 15 words about atoms, elements, compounds and the states of matter, hidden across, down, diagonally, and backward, then use the words to finish sentences.

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Atoms and Molecules Worksheet preview

Science · Grades 5–8

Atoms and Molecules Worksheet

A printable science worksheet for grades 5-8 on atoms and molecules. Students match clues to the atom, nucleus, protons, neutrons, electrons, elements, molecules, and compounds, then answer four short-response questions. A complete answer key is included.

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Balanced and Unbalanced Forces Worksheet preview

Science · Grades 4–7

Balanced and Unbalanced Forces Worksheet

A printable science worksheet for grades 4-7 on balanced and unbalanced forces. Students learn how balanced forces keep an object's motion the same while unbalanced forces change it, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Buoyancy Worksheet preview

Science · Grades 6–9

Buoyancy Worksheet

A printable science worksheet for grades 6-9 on buoyancy. Students learn why objects float or sink based on displaced water and density and meet Archimedes' principle, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Chemical Reactions Worksheet preview

Science · Grades 6–9

Chemical Reactions Worksheet

A printable science worksheet for grades 6-9 on chemical reactions. Students learn about reactants, products, conservation of mass, and exothermic and endothermic reactions, match eight clues, then answer four questions. A complete answer key is included.

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Density Worksheet preview

Science · Grades 5–7

Density Worksheet

A printable science worksheet for grades 5-7 on density: how much mass is packed into a space, and why objects more dense than water sink while less dense ones float. Students predict sink or float for eight objects, then explain density. A complete answer key is included.

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Electric Circuits Worksheet preview

Science · Grades 4–6

Electric Circuits Worksheet

A printable science worksheet for grades 4-6 on electric circuits. Students match clues to the circuit, current, battery, wires, switch, load, and open and closed circuits, then answer four short-response questions. A complete answer key is included.

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Electromagnets Worksheet preview

Science · Grades 5–8

Electromagnets Worksheet

A printable science worksheet for grades 5-8 on electromagnets. Students learn how a magnet can be made with electric current using eight key terms, then match clues to terms and answer four short-response questions. A complete answer key is included.

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Energy Crossword Puzzle Worksheet preview

Science · Grades 6–8

Energy Crossword Puzzle Worksheet

A printable energy crossword puzzle for grades 6 to 8. Students read 15 clues about forms of energy, energy sources and heat transfer and fill in the grid, with a word bank and an answer key.

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Energy Transformations Worksheet preview

Science · Grades 4–6

Energy Transformations Worksheet

A printable science worksheet for grades 4-6 on energy transformations – how energy changes from one form to another. Students learn forms like chemical, electrical, light, heat, sound, and mechanical, then name the main energy change in eight everyday examples and answer four short questions. A complete answer key is included.

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Energy Word Search Worksheet preview

Science · Grades 6–8

Energy Word Search Worksheet

A printable energy word search for grades 6 to 8. Students find 15 words about forms of energy, how heat moves and renewable sources, hidden across, down, diagonally, and backward, then use the words to finish sentences.

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Heat Transfer Worksheet preview

Science · Grades 5–7

Heat Transfer Worksheet

A printable science worksheet for grades 5-7 on the three ways heat moves: conduction, convection, and radiation. Students classify eight everyday examples, then answer four short-response questions. A complete answer key is included.

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Mass and Weight Worksheet preview

Science · Grades 4–6

Mass and Weight Worksheet

A printable science worksheet for grades 4-6 on mass and weight: mass is the amount of matter in an object and never changes, while weight is the pull of gravity and changes with location. Students sort eight statements as mass or weight, then explain the difference. A complete answer key is included.

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Newton's Laws of Motion Worksheet preview

Science · Grades 6–8

Newton's Laws of Motion Worksheet

A printable science worksheet for grades 6-8 on Newton's three laws of motion: inertia, force and mass, and action-reaction. Students classify eight everyday examples by law, then answer four short-response questions. A complete answer key is included.

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Physical and Chemical Changes Worksheet preview

Science · Grades 4–6

Physical and Chemical Changes Worksheet

A free printable science worksheet for grades 4-6 on physical and chemical changes: a physical change gives matter a new look, while a chemical change makes a brand-new substance. Students classify eight changes, then answer four questions. A complete answer key is included.

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Potential and Kinetic Energy Worksheet preview

Science · Grades 4–6

Potential and Kinetic Energy Worksheet

A printable science worksheet for grades 4-6 on potential and kinetic energy: stored energy of position versus the energy of motion. Students classify eight examples as potential or kinetic, then answer four short questions. A complete answer key is included.

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Reflection and Refraction Worksheet preview

Science · Grades 4–6

Reflection and Refraction Worksheet

A printable science worksheet for grades 4-6 on reflection and refraction: how light bounces off a surface and how it bends as it passes into a new material. Students classify eight examples as reflection or refraction, then answer four short questions. A complete answer key is included.

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Sound and Hearing Worksheet preview

Science · Grades 4–7

Sound and Hearing Worksheet

A printable science worksheet for grades 4-7 on sound and hearing. Students learn how vibrations make sound waves and how the ear and brain let us hear, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Static Electricity Worksheet preview

Science · Grades 4–7

Static Electricity Worksheet

A printable science worksheet for grades 4-7 on static electricity. Students learn how charge builds up and jumps, match eight clues to terms like electrons, attract, and static discharge, then answer four short-response questions. A complete answer key is included.

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Surface Tension Worksheet preview

Science · Grades 5–8

Surface Tension Worksheet

A printable science worksheet for grades 5-8 on surface tension. Students learn how cohesion between water molecules makes the surface act like a thin skin, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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The Doppler Effect Worksheet preview

Science · Grades 6–8

The Doppler Effect Worksheet

A printable science worksheet for grades 6-8 on the Doppler effect. Students learn why a passing siren changes pitch as its sound waves bunch up or spread out, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

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The Electromagnetic Spectrum Worksheet preview

Science · Grades 6–9

The Electromagnetic Spectrum Worksheet

A printable science worksheet for grades 6-9 on the electromagnetic spectrum. Students learn the bands from radio to gamma with a labeled diagram, match eight clues, then answer four questions. A complete answer key is included.

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The Electron and Atomic Structure Worksheet preview

Science · Grades 6–9

The Electron and Atomic Structure Worksheet

A printable science worksheet for grades 6-9 on atomic structure. Students learn how an atom has a nucleus of protons and neutrons with electrons moving around it, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

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The Four Forces of Flight Worksheet preview

Science · Grades 4–6

The Four Forces of Flight Worksheet

A printable science worksheet for grades 4-6 on the four forces of flight. Students read a one-page passage on thrust, drag, gravity and lift, and on the three control surfaces a pilot actually steers with, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

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The Periodic Table Worksheet preview

Science · Grades 5–8

The Periodic Table Worksheet

A printable science worksheet for grades 5-8 on the periodic table. Students learn eight key terms – element, atom, symbol, atomic number, group, period, and metal – then match clues to terms and answer four short-response questions. A complete answer key is included.

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The pH Scale Worksheet preview

Science · Grades 6–9

The pH Scale Worksheet

A printable science worksheet for grades 6-9 on the pH scale. Students learn how the 0-14 scale classifies liquids as acids, bases, or neutral and how indicators like litmus paper work, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Waves Worksheet preview

Science · Grades 6–9

Waves Worksheet

A printable science worksheet for grades 6-9 on waves. Students learn the parts of a wave from a labeled diagram, match eight clues, then answer four questions. A complete answer key is included.

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Weird Water Worksheet preview

Science · Grades 4–6

Weird Water Worksheet

A printable science worksheet for grades 4-6 on water's unusual properties. Students read a one-page passage on why ice floats, water's molecule structure, cohesion, adhesion, surface tension, and specific heat, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins. A complete answer key is included.

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Properties of Matter

Metals and Nonmetals Worksheet preview

Science · Grades 5–8

Metals and Nonmetals Worksheet

A printable science worksheet for grades 5-8 on metals and nonmetals. Students learn how metals, nonmetals, and metalloids differ in luster, conductivity, and how they bend or break, match eight terms to clues, and answer four short-response questions. A complete answer key is included.

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Science Practices

Asking a Testable Question Worksheet preview

Science · Grades 3–6

Asking a Testable Question Worksheet

A printable science worksheet for grades 3-6 on asking a testable question. Students will decide whether a question can be settled by an investigation, and rewrite one that cannot so that it can.

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Choosing the Right Graph Worksheet preview

Science · Grades 4–6

Choosing the Right Graph Worksheet

A printable science worksheet for grades 4-6 on choosing the right graph. Students will choose a bar or a line graph to match a set of data, and explain what a labeled axis and an even scale are for.

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Claim, Evidence, and Reasoning Worksheet preview

Science · Grades 5–7

Claim, Evidence, and Reasoning Worksheet

A printable science worksheet for grades 5-7 on claim, evidence, and reasoning. Students will sort the three parts of a scientific explanation and explain why evidence without reasoning, or reasoning without evidence, is incomplete.

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Lab Safety Rules Worksheet preview

Science · Grades 3–6

Lab Safety Rules Worksheet

A printable science worksheet for grades 3-6 on lab safety rules. Students will name the hazard each safety rule prevents, and explain why a rule they can justify is a rule they will remember.

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Parts of a Microscope Worksheet preview

Science · Grades 4–6

Parts of a Microscope Worksheet

Label the six main parts of a compound microscope, then match each one to the job it does. Printable PDF with a complete answer key.

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Qualitative and Quantitative Observations Worksheet preview

Science · Grades 3–6

Qualitative and Quantitative Observations Worksheet

A printable science worksheet for grades 3-6 on qualitative and quantitative observations. Students will sort observations into those described in words and those recorded as a number with a unit, and explain why a number needs its unit.

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Recording Data in a Table Worksheet preview

Science · Grades 3–6

Recording Data in a Table Worksheet

A printable science worksheet for grades 3-6 on recording data in a table. Students will read a trial-by-trial data table and explain why a column heading carries a unit and why a trial is repeated.

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Systems in Science Worksheet preview

Science · Grades 4–6

Systems in Science Worksheet

A science worksheet on systems, for grades 4 through 6. Students read about what a system is, why a whole system can do what no single part can, and how systems fit inside one another from a forest to the solar system, then answer multiple choice, true/false, and fill-in-the-blank questions.

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Variables in an Experiment Worksheet preview

Science · Grades 5–8

Variables in an Experiment Worksheet

A printable science worksheet for grades 5-8 on the variables in an experiment. Students learn the parts of a fair test using eight key terms, then match clues to terms and answer four short-response questions. A complete answer key is included.

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Writing a Conclusion from Data Worksheet preview

Science · Grades 4–7

Writing a Conclusion from Data Worksheet

A printable science worksheet for grades 4-7 on writing a conclusion from data. Students will read a results table and write a conclusion that names the numbers and says whether the prediction was supported.

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Writing a Hypothesis Worksheet preview

Science · Grades 4–6

Writing a Hypothesis Worksheet

A printable science worksheet for grades 4-6 on writing a hypothesis. Students will tell a question, a guess, and a hypothesis apart, and write a hypothesis that names what will change and what will be measured.

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Space Science

Black Holes Worksheet preview

Science · Grades 6–9

Black Holes Worksheet

A printable science worksheet for grades 6-9 on black holes. Students learn how a black hole's gravity is so strong that not even light can escape, and how one can form from a collapsing star, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Constellations Worksheet preview

Science · Grades 4–7

Constellations Worksheet

A printable science worksheet for grades 4-7 on constellations. Students learn how stars form named patterns in the night sky and why constellations change with the seasons, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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Heliocentric and Geocentric Models Worksheet preview

Science · Grades 4–6

Heliocentric and Geocentric Models Worksheet

A printable space-science worksheet for grades 4-6 on the two competing models of the solar system. Students read a one-page passage on the shift from an Earth-centered to a Sun-centered model, then answer four multiple-choice questions, six true-or-false statements, and six fill-ins naming Ptolemy, Aristarchus, Copernicus, Galileo and Kepler. A complete answer key is included.

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Rotation and Revolution Worksheet preview

Science · Grades 4–6

Rotation and Revolution Worksheet

A printable science worksheet for grades 4-6 on rotation and revolution: rotation is spinning on an axis, while revolution is orbiting all the way around another object. Students classify eight motions, then answer four questions. A complete answer key is included.

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Satellites and Orbits Worksheet preview

Science · Grades 5–8

Satellites and Orbits Worksheet

A printable science worksheet for grades 5-8 on satellites and orbits. Students learn how gravity keeps satellites in orbit and how natural and artificial satellites differ, match eight terms to clues, and answer four short-response questions. A labeled diagram and complete answer key are included.

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The Asteroid Belt Worksheet preview

Science · Grades 4–7

The Asteroid Belt Worksheet

A printable science worksheet for grades 4-7 on the asteroid belt. Students learn how a wide ring of rocky asteroids orbits the Sun between Mars and Jupiter, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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The Aurora Worksheet preview

Science · Grades 5–8

The Aurora Worksheet

A printable science worksheet for grades 5-8 on the aurora. Students learn how charged particles from the Sun hit gases high in the air near the poles to make glowing lights, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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The Life Cycle of a Star Worksheet preview

Science · Grades 5–8

The Life Cycle of a Star Worksheet

A printable science worksheet for grades 5-8 on the life cycle of a star. Students learn how a star forms in a nebula, shines through fusion, and ends as a supernova or white dwarf, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.

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The Moon Worksheet preview

Science · Grades 3–6

The Moon Worksheet

A printable science worksheet for grades 3-6 on the Moon. Students learn that the Moon is Earth's natural satellite with craters and dark maria that always shows the same side, match eight clues, then answer four questions. A complete answer key is included.

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