Science Worksheets

Science Worksheets

Scientific Method

Printable scientific method worksheets for grades 4 through 8.

Science · Grades 3–5

Food Web Worksheets

A free printable life-science worksheet for grades 3-5 on food webs: how producers, consumers, and decomposers connect many food chains in one habitat. Students classify eight living things by role, then answer four short questions. A complete answer key is included.

Science · Grades 3–5

Ecosystems Worksheets

A printable life-science worksheet for grades 3-5 that teaches the three roles living things play in an ecosystem: producer, consumer, and decomposer. Students classify eight common organisms by role, then answer four short-response items about energy flow and the role each part plays. A complete answer key is included.

Science · Grades 2–4

Animal Life Cycles Worksheets

A printable life-science worksheet for grades 2-4 on animal life cycles: how animals grow through stages by complete metamorphosis, incomplete metamorphosis, or direct growth. Students identify eight life-cycle stages, then answer four short questions. A complete answer key is included.

Science · Grades 3–5

Photosynthesis Worksheets

A printable life-science worksheet for grades 3-5 that teaches photosynthesis as the way plants use sunlight, water, and carbon dioxide to make glucose and release oxygen. Students sort eight substances as inputs, outputs, or not used, then answer four short-response items about where photosynthesis happens and the plant-animal connection. A complete answer key is included.

Science · Grades 2–4

Solar System Worksheets

A printable science worksheet for grades 2-4 that introduces stars, planets, and moons and gives students 14 independent practice items. Section A asks 8 short questions about specific planets (closest to the sun, largest, the red planet) and Section B covers core concepts like orbit, gravity, day, and year. A complete answer key is included.

Science · Grades 4–7

Acid Rain Worksheets

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.

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Science Worksheets

Acids and Bases

Reading comprehension and science worksheets about acids, bases, and pH — covering chemical properties, everyday examples, and how to test substances with…

Science Worksheets

All About Birds

Science Reading Lesson · Grades 1–4

Science · Grades 3–5

Animal Adaptations Worksheets

A printable life-science worksheet for grades 3-5 that teaches the two kinds of animal adaptations – physical features the animal is born with and behaviors the animal does – and how each one helps an animal survive. Students classify eight animal examples, then answer four short-response items including a camouflage prompt. A complete answer key is included.

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Science · Grades 3–5

Animal Classification Worksheets

A free printable life-science worksheet for grades 3-5 that teaches the five main vertebrate groups – mammals, birds, fish, reptiles, and amphibians – by their shared traits. Students classify eight animals by group, then answer four short-response questions. A complete answer key is included.

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Science · Grades 2–4

Animal Habitats Worksheets

A printable science worksheet for grades 2-4 that introduces five common habitat types and the four basic needs animals get from their habitats. Students match 12 animals to their habitats and answer 6 short questions about adaptations and habitat needs. A complete answer key is included.

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Science Worksheets

Atoms and Molecules

Printable atoms and molecules worksheets for grades 5 through 7.

Science · Grades 5–8

Atoms and Molecules Worksheets

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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Science · Grades 5–8

Bacteria and Viruses Worksheets

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.

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Science Worksheets

Balanced and Unbalanced Forces

Reading comprehension and physics worksheets about balanced and unbalanced forces — covering Newton’s Laws of Motion, friction, acceleration, and force and…

Science · Grades 4–7

Bioluminescence Worksheets

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.

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Science · Grades 4–6

Biomes Worksheets

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.

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Science Worksheets

Bird Nesting Habits

Science · Animals · Grades 2–5

Science · Grades 3–5

Camouflage and Mimicry Worksheets

A printable science worksheet for grades 3-5 on camouflage and mimicry: camouflage helps an animal blend into its surroundings, while mimicry makes one animal look like another to trick predators. Students classify eight examples, then answer four questions. A complete answer key is included.

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Science Worksheets

Capybara

Science · Animals · Grades 3–6

Science · Grades 6–8

Cell Division Worksheets

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.

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Science · Grades 6–8

Cellular Respiration Worksheets

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.

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Science · Grades 3–5

Changes of State Worksheets

A printable science worksheet for grades 3-5 on changes of state: melting, freezing, evaporation, and condensation, driven by adding or removing heat. Students name the change in eight scenarios, then answer four short questions. A complete answer key is included.

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Science Worksheets

Charles Darwin

Printable Charles Darwin worksheets for grades 4 through 8.

Science Worksheets

Chemical Elements

Science · Chemistry · Grades 4–7

Science · Grades 6–9

Chemical Reactions Worksheets

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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Science Worksheets

Classifying Animals

Printable classifying animals worksheets for grades 4 through 8.

Science · Grades 3–5

Clouds and Precipitation Worksheets

A printable earth-science worksheet for grades 3-5 on clouds and precipitation: cumulus, stratus, and cirrus clouds, and rain, snow, sleet, and hail. Students name the cloud or precipitation type for eight clues, then answer four short questions. A complete answer key is included.

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Science Worksheets

Comets, Asteroids, and Meteoroids

Printable comets, asteroids, and meteoroids worksheets for grades 4 through 6.

Science · Grades 4–6

Comets, Asteroids, and Meteors Worksheets

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.

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Science · Grades 3–5

Complete and Incomplete Metamorphosis Worksheets

A printable science worksheet for grades 3-5 on insect metamorphosis: complete metamorphosis has four stages (egg, larva, pupa, adult) while incomplete metamorphosis has three (egg, nymph, adult). Students classify eight insects, then answer four questions. A complete answer key is included.

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Science · Grades 3–5

Conductors and Insulators Worksheets

A printable physical-science worksheet for grades 3-5 on conductors and insulators: a conductor lets electricity flow (most metals) while an insulator stops it (plastic, rubber, wood, glass). Students classify eight materials, then answer four short questions. A complete answer key is included.

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Science · Grades 5–8

Convection Currents Worksheets

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.

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Science · Grades 3–6

Coral Reefs Worksheets

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.

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Science Worksheets

Cycles of Life

Printable cycles of life worksheets for grades 4 through 8.

Science · Grades 2–4

Day and Night Worksheets

A printable earth-and-space-science worksheet for grades 2-4 on day and night: Earth spins once every 24 hours, so the side facing the Sun has day and the side facing away has night. Students judge eight true/false statements, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Decomposers Worksheets

A printable science worksheet for grades 3-5 on decomposers: living things like fungi, bacteria, and worms that break down dead material and return nutrients to the soil. Students classify eight living things as producer, consumer, or decomposer, then answer four short questions. A complete answer key is included.

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Science · Grades 5–7

Density Worksheets

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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Science Worksheets

Digestive System

Science · Life Science · Grades 3–5

Science Lesson Plan · Grades 3–6

Dinosaur Herbivores Worksheets

Printable dinosaur herbivores worksheets for the classroom.

Science Worksheets

Dolphins

Practice reading comprehension with this nonfiction passage about dolphins.

Science · Grades 3–5

Earthquakes Worksheets

A printable earth-science worksheet for grades 3-5 that teaches what causes earthquakes – sudden movement of tectonic plates along a fault – and the drop-cover-hold-on safety action students should take indoors. Students label four vocabulary clues, classify four actions as SAFE or UNSAFE, then answer four short-response items about the focus, the epicenter, and magnitude. A complete answer key is included.

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Science Worksheets

Echoes and Echolocation

Printable echoes and echolocation worksheets for grades 4 through 8.

Science · Grades 3–5

Eclipses Worksheets

A printable science worksheet for grades 3-5 on solar and lunar eclipses. Students learn that a solar eclipse happens when the Moon blocks the Sun in the daytime, and a lunar eclipse happens when Earth’s shadow falls on the Moon at night. They classify eight clues, then answer four short questions. A complete answer key is included.

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Science Worksheets

Ecosystems in Nature

Printable ecosystems in nature worksheets for grades 4 through 8.

Science · Grades 4–6

Electric Circuits Worksheets

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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Science Worksheets

Electricity

Printable electricity worksheets for grades 5 through 7.

Science · Grades 5–8

Electromagnets Worksheets

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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Science Worksheets

Elephants

Practice reading comprehension with this nonfiction passage about elephants.

Science · Grades 4–7

Endangered Species Worksheets

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.

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Science · Grades 4–6

Energy Transformations Worksheets

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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Science · Grades 3–5

Erosion Worksheets

A printable earth-science worksheet for grades 3-5 that teaches the three connected processes that shape Earth’s surface: weathering breaks rock down, erosion moves the pieces, and deposition drops them in a new place. Students identify which agent (water, wind, ice, or gravity) is at work in four scenes, then classify four more scenes as weathering, erosion, or deposition. A complete answer key is included.

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Science · Grades 1–3

Five Senses Worksheets

A free printable life-science worksheet for grades 1-3 on the five senses: sight, hearing, smell, taste, and touch, and the body part used for each. Students name the sense used in eight situations, then answer four short questions. A complete answer key is included.

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Science Worksheets

Food Chain

Printable food chain worksheets for grades 3 through 5.

Science Lesson Plan · Grades 3–6

Food Chain & Animal Eating Habits Worksheets

Printable food chain & animal eating habits worksheets for the classroom.

Science Worksheets

Food Webs

Printable food webs worksheets for grades 4 through 8.

Science · Grades 3–5

Force and Motion Worksheets

A printable science worksheet for grades 3-5 that introduces forces and motion through everyday examples. Students complete 14 items: Section A reads eight short scenarios (a pencil rolls off a desk, a bike brake squeezes, an apple drops from a tree) and identifies the force at work, and Section B answers six short questions about speed, balanced versus unbalanced forces, and the newton unit. A complete answer key is included.

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Science Worksheets

Forms of Energy

Printable forms of energy worksheets for grades 4 through 8.

Science · Grades 3–5

Fossils Worksheets

A printable earth-science worksheet for grades 3-5 on fossils: the preserved remains or traces of living things from long ago, formed in rock over thousands of years. Students judge eight true/false statements, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Friction Worksheets

A printable science worksheet for grades 3-5 on friction: the force that slows motion when two surfaces rub together, with more friction on rough surfaces and less on smooth ones. Students judge eight situations as more or less friction, then answer four short questions. A complete answer key is included.

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Science · Grades 4–7

Fungi Worksheets

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.

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Science · Grades 5–8

Galaxies Worksheets

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.

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Science · Grades 6–8

Genetics and Heredity Worksheets

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.

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Science Worksheets

Genetics and Inheritance

Printable genetics and inheritance worksheets for grades 6 through 10.

Science · Grades 5–8

Glaciers Worksheets

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.

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Science Worksheets

Gravity

Printable gravity worksheets for grades 5 through 7.

Science Worksheets

Habitats and Niches

Science · Ecology · Grades 5–8

Science · Grades 3–5

Heat and Temperature Worksheets

A printable physical-science worksheet for grades 3-5 that teaches heat as energy that moves from hotter objects to cooler ones and temperature as the number a thermometer reads. Students classify eight everyday events as adding or removing heat, then answer four short-response items about temperature and heat transfer. A complete answer key is included.

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Science · Grades 5–7

Heat Transfer Worksheets

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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Science · Grades 3–5

Herbivores, Carnivores, and Omnivores Worksheets

A printable science worksheet for grades 3-5 on herbivores, carnivores, and omnivores: classifying animals by whether they eat plants, meat, or both. Students classify eight animals, then answer four short questions. A complete answer key is included.

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Science · Grades 2–4

Hibernation and Migration Worksheets

A printable science worksheet for grades 2-4 on hibernation and migration: hibernating animals slow down and sleep in place through winter, while migrating animals travel to another place to survive. Students classify eight animals, then answer four questions. A complete answer key is included.

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Science Worksheets

Human Body

Science · Life Science · Grades 3–5

Science · Grades 3–5

Human Body Systems Worksheets

A printable science worksheet for grades 3-5 that introduces six major human body systems and gives students 16 independent practice items. Section A asks students to match a short clue to the right system, and Section B asks for specific organs and structures. A complete answer key is included.

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Science · Grades 3–7

Hurricanes and Tornadoes Worksheets

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.

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Science · Grades 3–5

Inherited and Learned Traits Worksheets

A printable science worksheet for grades 3-5 on inherited and learned traits: inherited traits are passed down from parents through genes, while learned behaviors are gained through practice and experience. Students classify eight examples, then answer four questions. A complete answer key is included.

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Science · Grades 4–7

Inner and Outer Planets Worksheets

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.

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Science · Grades 2–4

Insects Worksheets

A printable life-science worksheet for grades 2-4 on insects: an insect has three body parts (head, thorax, abdomen) and six legs. Students classify eight creatures as insect or not an insect, then answer four short questions. A complete answer key is included.

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Science · Grades 4–7

Invasive Species Worksheets

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.

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Science Worksheets

Isaac Newton

Printable Isaac Newton worksheets for grades 4 through 8.

Science Worksheets

Law of Motion

Printable law of motion worksheets for grades 4 through 8.

Science Worksheets

Layers of the Atmosphere

Science · Earth Science · Grades 4–6

Science · Grades 3–5

Layers of the Earth Worksheets

A printable earth-science worksheet for grades 3-5 that teaches the four main layers of Earth – crust, mantle, outer core, and inner core – and what each one is made of. Students label eight clues with the matching layer, then answer four short-response items about the order of the layers, the liquid-vs-solid core, and why the mantle is unreachable. A complete answer key is included.

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Science · Grades 3–5

Light Worksheets

A printable physical-science worksheet for grades 3-5 that teaches the three things a material can do to light: reflect, refract, or absorb. Students read eight short scenarios and write which of the three is happening, then answer four short-response items about light sources and shadows. A complete answer key is included.

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Science Worksheets

Lions

Practice reading comprehension with this nonfiction passage about lions.

Science Lesson Plan · Grades 2–5

Living and Non-Living Things Worksheets

Printable living and non-living things worksheets for the classroom.

Science · Grades 1–3

Living and Nonliving Things Worksheets

A printable life-science worksheet for grades 1-3 on living and nonliving things: living things grow, need food, water, and air, respond to their surroundings, and reproduce. Students classify eight things as living or nonliving, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Magnets Worksheets

A printable physical-science worksheet for grades 3-5 that teaches what magnets are, which everyday materials they attract, and how the two poles work. Students classify eight common objects as magnetic or not magnetic, then answer four short-response items about poles and uses. A complete answer key is included.

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Science · Grades 4–6

Mass and Weight Worksheets

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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Science · Grades 3–5

Microorganisms Worksheets

A printable science worksheet for grades 3-5 on microorganisms – the tiny living things called bacteria, fungi, and protists. Students decide whether eight microbes are helpful or harmful, then answer four short questions about what microbes are and how to stay healthy. A complete answer key is included.

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Science · Grades 3–5

Mixtures and Solutions Worksheets

A printable physical-science worksheet for grades 3-5 on mixtures and solutions: a mixture keeps its separate parts while a solution dissolves one material evenly into another. Students classify eight combinations, then answer four short questions. A complete answer key is included.

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Science Worksheets

Moon

Printable moon worksheets for grades 3 through 5.

Science · Grades 4–6

Moon Phases Worksheets

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.

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Science · Grades 3–5

Natural Resources Worksheets

A printable earth-science worksheet for grades 3-5 on natural resources: renewable resources can be replaced quickly while nonrenewable ones take millions of years and can run out. Students classify eight resources, then answer four short questions about conservation. A complete answer key is included.

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Science · Grades 6–8

Natural Selection Worksheets

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.

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Science · Grades 6–8

Newton’s Laws of Motion Worksheets

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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Science · Grades 1–3

Nocturnal and Diurnal Animals Worksheets

A printable science worksheet for grades 1-3 on nocturnal and diurnal animals. Students learn that nocturnal animals are active at night and diurnal animals are active during the day, then sort eight animals and answer four short questions. A complete answer key is included.

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Science · Grades 4–7

Ocean Zones Worksheets

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.

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Science Worksheets

Oceans

Science · Earth Science · Grades 3–5

Science Worksheets

Octopus

Practice reading comprehension with this nonfiction passage about the octopus.

Science Worksheets

Owls

Practice reading comprehension with this nonfiction passage about owls.

Science · Grades 3–5

Parts of a Plant Worksheets

A printable science worksheet for grades 3-5 on the parts of a plant. Students match each plant part to its job and explain why roots, stem, leaves, and flowers matter, then answer short-response questions. A complete answer key is included.

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Science Worksheets

Physical and Chemical Changes

Printable physical and chemical changes worksheets for grades 5 through 8.

Science · Grades 4–6

Physical and Chemical Changes Worksheets

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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Science Worksheets

Planet Earth

Science · Earth Science · Grades 3–5

Science Lesson Plan · Grades 4–7

Planet Mars Worksheets

Printable planet mars worksheets for the classroom.

Science Worksheets

Planet Mercury

Printable Mercury worksheets for grades 4 through 6.

Science Lesson Plan · Grades 4–7

Planet Uranus Worksheets

Printable planet uranus worksheets for the classroom.

Science Worksheets

Plant Adaptations

Printable plant adaptations worksheets for grades 4 through 8.

Science · Grades 5–7

Plant and Animal Cells Worksheets

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.

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Science Worksheets

Plant Life Cycle

Printable plant life cycle worksheets for grades 4 through 6.

Science · Grades 6–8

Plate Tectonics Worksheets

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.

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Science Worksheets

Pluto Dwarf Planet

Printable Pluto and dwarf planet worksheets for grades 4 through 6.

Science · Grades 3–5

Pollination Worksheets

A free printable life-science worksheet for grades 3-5 on pollination: how pollen moves from flower to flower – by bees, butterflies, birds, and wind – so plants can make seeds and fruit. Students judge eight true/false statements, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Pollution Worksheets

A printable science worksheet for grades 3-5 about pollution. Students sort examples into air, water, and land pollution and answer short-response questions about causes, effects, and solutions. A complete answer key is included.

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Science · Grades 4–6

Potential and Kinetic Energy Worksheets

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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Science · Grades 3–5

Predator and Prey Worksheets

A printable science worksheet for grades 3-5 on predators and prey: a predator hunts and eats other animals, while prey are the animals that are hunted and eaten. Students identify the role of an animal in eight hunts, then answer four questions. A complete answer key is included.

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Science · Grades 2–4

Properties of Materials Worksheets

A printable physical-science worksheet for grades 2-4 on the properties of materials: hard, flexible, transparent, waterproof, strong, and absorbent. Students match the property each object most needs to its job, then answer four short questions about choosing materials. A complete answer key is included.

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Science · Grades 7–9

Punnett Squares Worksheets

A printable science worksheet for grades 7-9 on Punnett squares. Students learn to predict offspring with a genetic cross grid, read a worked Tt by Tt example, answer eight questions, and complete four problems. A complete answer key is included.

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Science Worksheets

Raccoons

Science · Reading Comprehension · Grades 3–5

Science Worksheets

Rainforest

Science · Life Science / Ecology · Grades 3–5

Science · Grades 4–6

Reflection and Refraction Worksheets

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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Science · Grades 4–6

Renewable and Nonrenewable Resources Worksheets

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.

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Science · Grades 3–5

Rocks and Minerals Worksheets

A printable science worksheet for grades 3-5 that introduces minerals, rocks, and the three rock types. Students complete 14 independent items: Section A classifies eight rocks as igneous, sedimentary, or metamorphic from a short formation clue, and Section B answers six short questions about mineral properties, weathering, fossils, and the rock cycle. A complete answer key is included.

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Science · Grades 4–6

Rotation and Revolution Worksheets

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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Science · Grades 5–8

Satellites and Orbits Worksheets

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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Science Worksheets

Seasons

Science · Earth Science · Grades K–2

Science · Grades 3–5

Seed Dispersal Worksheets

A printable science worksheet for grades 3-5 on seed dispersal. Students read short examples and name how each seed travels – by wind, water, animals, or explosion – then answer four short-response questions about why seeds spread. A complete answer key is included.

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Science Worksheets

Seedless Plants

Reading comprehension and science worksheets about seedless plants — covering mosses, ferns, horsetails, and how they reproduce using spores instead of seeds.

Science Worksheets

Sharks

Practice reading comprehension with this nonfiction passage about sharks.

Science · Grades 3–5

Simple Machines Worksheets

A printable physical-science worksheet for grades 3-5 that teaches the six simple machines and how each one makes work easier by trading effort for distance. Students identify the simple machine behind eight everyday tools, then answer four short-response items about fulcrums and effort. A complete answer key is included.

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Science · Grades 2–4

Sink or Float Worksheets

A printable science worksheet for grades 2-4 on sinking and floating: objects lighter than the same amount of water float, heavier ones sink, and shape and trapped air make a difference. Students predict eight objects as sink or float, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Skeleton and Bones Worksheets

A printable life-science worksheet for grades 3-5 on the skeleton: the frame of bones that supports the body, protects organs, and helps it move. Students match four bones to their jobs, then answer four short questions. A complete answer key is included.

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Science Worksheets

Snakes

Practice reading comprehension with this nonfiction passage about snakes.

Science · Grades 2–4

Soil and Its Layers Worksheets

A printable science worksheet for grades 2-4 on soil and its layers. Students learn that soil is made of broken rock, water, air, and humus, and that it forms layers from the humus on top down to bedrock. They name the layer for eight clues, then answer four short questions. A complete answer key is included.

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Science Worksheets

Sound Waves

Printable sound waves worksheets for grades 4 through 8.

Science · Grades 3–5

Sound Worksheets

A printable physical-science worksheet for grades 3-5 that teaches what sound is and the two main ways it can change — pitch and volume. Students read eight short scenarios and write whether pitch or volume is what changed, then answer four short-response items about sound travel and vacuum. A complete answer key is included.

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Science · Grades 4–6

Stars and Constellations Worksheets

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.

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Science · Grades 2–4

States of Matter Worksheets

A printable science worksheet for grades 2-4 that helps students identify the three common states of matter. Students classify 12 everyday items as solid, liquid, or gas and answer 6 short questions about changes of state. A complete answer key is included.

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Science · Grades 4–7

Static Electricity Worksheets

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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Science Worksheets

Sun, Moon, and Stars

Printable sun, moon, and stars worksheets for grades 2 through 4.

Science · Grades 5–7

Symbiosis Worksheets

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.

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Science · Grades 6–8

The Carbon Cycle Worksheets

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.

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Science · Grades 4–6

The Circulatory System Worksheets

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.

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Science · Grades 4–6

The Digestive System Worksheets

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.

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Science · Grades 6–8

The Doppler Effect Worksheets

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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Science · Grades 6–9

The Electromagnetic Spectrum Worksheets

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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Science · Grades 6–9

The Endocrine System Worksheets

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.

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Science · Grades 6–8

The Excretory System Worksheets

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.

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Science · Grades 5–7

The Greenhouse Effect Worksheets

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.

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Science · Grades 5–8

The Human Eye Worksheets

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.

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Science · Grades 5–8

The Immune System Worksheets

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.

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Science · Grades 5–8

The Layers of the Atmosphere Worksheets

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.

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Science · Grades 5–8

The Lymphatic System Worksheets

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.

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Science · Grades 3–6

The Moon Worksheets

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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Science · Grades 5–7

The Muscular System Worksheets

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.

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Science · Grades 5–7

The Nervous System Worksheets

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.

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Science · Grades 6–8

The Nitrogen Cycle Worksheets

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.

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Science · Grades 5–8

The Periodic Table Worksheets

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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Science · Grades 4–6

The Respiratory System Worksheets

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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Science · Grades 4–6

The Rock Cycle Worksheets

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.

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Science · Grades 5–8

The Sun Worksheets

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.

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Science · Grades 3–5

Tides Worksheets

A printable earth-science worksheet for grades 3-5 that teaches what tides are – the regular rise and fall of ocean water – and the role of the Moon’s gravity in causing them. Students classify two beach scenes as HIGH TIDE or LOW TIDE, recall six vocabulary terms, then answer four short-response items including a prediction of what a low tide reveals. A complete answer key is included.

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Science · Grades 4–7

Tsunamis Worksheets

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.

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Science · Grades 5–8

Variables in an Experiment Worksheets

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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Science · Grades 4–7

Vascular and Nonvascular Plants Worksheets

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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Science · Grades 3–5

Vertebrates and Invertebrates Worksheets

A printable science worksheet for grades 3-5 on vertebrates and invertebrates: animals with a backbone and animals without one. Students classify eight animals as vertebrate or invertebrate, then answer four short questions. A complete answer key is included.

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Science · Grades 3–5

Volcanoes Worksheets

A printable earth-science worksheet for grades 3-5 that teaches the words used to describe volcanoes – magma, lava, vent, crater, ash, active, dormant, and extinct – and what escapes from a volcano when it erupts. Students label eight clues, then answer four short-response items about magma vs. lava, eruption products, and the heat inside Earth that drives volcanic activity. A complete answer key is included.

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Science · Grades 3–5

Water Cycle Worksheets

A printable earth-science worksheet for grades 3-5 that teaches the four stages of the water cycle and how the same water moves between Earth’s surface and the sky again and again. Students label eight everyday scenes by stage, then answer four short-response items about evaporation and the cycle’s energy source. A complete answer key is included.

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Science Worksheets

Water Ecosystems

Printable water ecosystems worksheets for grades 4 through 8.

Science · Grades 6–9

Waves Worksheets

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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Science Worksheets

Weather

Science · Earth Science · Grades 3–5

Science · Grades 3–5

Weather and Climate Worksheets

A printable science worksheet for grades 3-5 on the difference between weather and climate. Students sort statements as weather or climate and explain why the distinction matters, with short-response questions. A complete answer key is included.

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Science Worksheets

Weather Fronts

Science · Earth Science · Grades 4–7

Science · Grades 3–5

Weather Instruments Worksheets

A printable science worksheet for grades 3-5 on weather instruments: a thermometer measures temperature, an anemometer measures wind speed, a rain gauge measures rainfall, and more. Students match six tools to what they measure, then answer four questions. A complete answer key is included.

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Science · Grades 4–6

Weathering Worksheets

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.

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Science Worksheets

Whales

Practice reading comprehension with this nonfiction passage about whales.

Science Worksheets

Winter Season

Reading comprehension and science worksheets about winter — covering the winter solstice, daylight changes, seasonal weather, and winter holidays.

Science Worksheets

Wright Brothers

Reading comprehension and critical thinking worksheets about Orville and Wilbur Wright, the inventors of the first successful powered airplane.

Science Worksheets

Zebras

Practice reading comprehension with this nonfiction passage about zebras.