Grade 3 Science Worksheets

Grade 3 Science Worksheets

Every science worksheet on InstructorWeb that fits Grade 3, organized by skill and grouped for one grade — each with a complete answer key. Free samples plus member resources.

All Science Worksheets

All Grade 3 Worksheets

Grade 3

Grade Level

Science

Subject

7

Skills

100%

With Answer Keys

Jump to a skill:

Animal Classification

Force and Motion

Physical Science

Science Practices

Start With a Free Worksheet

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Solar System Worksheet preview

Science · Grades 2–4

Solar System Worksheet

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.

Free Member · 3 pages · Answer Key

States of Matter Worksheet preview

Science · Grades 2–4

States of Matter Worksheet

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.

Free Member · 3 pages · Answer Key

Animal Classification Worksheet preview

Science · Grades 3–5

Animal Classification Worksheet

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.

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

Clouds and Precipitation Worksheet preview

Science · Grades 3–5

Clouds and Precipitation Worksheet

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.

Full Member · 3 pages · Answer Key

Day and Night Worksheet preview

Science · Grades 2–4

Day and Night Worksheet

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.

Full Member · 3 pages · Answer Key

Earthquakes Worksheet preview

Science · Grades 3–5

Earthquakes Worksheet

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.

Full Member · 3 pages · Answer Key

Eclipses Worksheet preview

Science · Grades 3–5

Eclipses Worksheet

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.

Full Member · 3 pages · Answer Key

Erosion Worksheet preview

Science · Grades 3–5

Erosion Worksheet

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.

Full Member · 3 pages · Answer Key

Fossils Worksheet preview

Science · Grades 3–5

Fossils Worksheet

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.

Full Member · 3 pages · Answer Key

How Snowflakes Form Worksheet preview

Science · Grades 2–4

How Snowflakes Form Worksheet

A printable science reading passage for grades 2 to 4. Students read how a snowflake starts on a speck of dust, why it has six arms, and why no two look the same, then answer questions about what happens and in what order.

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

Layers of the Earth Worksheet preview

Science · Grades 3–5

Layers of the Earth Worksheet

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.

Full Member · 3 pages · Answer Key

Natural Resources Worksheet preview

Science · Grades 3–5

Natural Resources Worksheet

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.

Full Member · 3 pages · Answer Key

Pollution Worksheet preview

Science · Grades 3–5

Pollution Worksheet

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.

Full Member · 3 pages · Answer Key

Rocks and Minerals Crossword Puzzle Worksheet preview

Science · Grades 3–5

Rocks and Minerals Crossword Puzzle Worksheet

A printable rocks and minerals crossword puzzle for grades 3 to 5. Students read 12 clues about the three kinds of rock and the rock cycle and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Rocks and Minerals Word Search Worksheet preview

Science · Grades 3–5

Rocks and Minerals Word Search Worksheet

A printable rocks and minerals word search for grades 3 to 5. Students find 12 words about the three kinds of rock, the rock cycle and minerals, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Rocks and Minerals Worksheet preview

Science · Grades 3–5

Rocks and Minerals Worksheet

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.

Full Member · 3 pages · Answer Key

Seasons Worksheet preview

Science · Grades 3–5

Seasons Worksheet

A printable earth-and-space-science worksheet for grades 3-5 on the seasons: how Earth's tilt as it orbits the Sun gives us spring, summer, fall, and winter. Students name the season from eight clues, then answer four short questions including the tilt-not-distance idea. A complete answer key is included.

Full Member · 3 pages · Answer Key

Soil and Its Layers Worksheet preview

Science · Grades 2–4

Soil and Its Layers Worksheet

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.

Full Member · 3 pages · Answer Key

Solar System Worksheet preview

Science · Grades 2–4

Solar System Worksheet

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.

Free Member · 3 pages · Answer Key

Tides Worksheet preview

Science · Grades 3–5

Tides Worksheet

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.

Full Member · 3 pages · Answer Key

Volcanoes Worksheet preview

Science · Grades 3–5

Volcanoes Worksheet

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.

Free Member · 3 pages · Answer Key

Water Cycle Crossword Puzzle Worksheet preview

Science · Grades 3–5

Water Cycle Crossword Puzzle Worksheet

A printable water cycle crossword puzzle for grades 3 to 5. Students read 12 clues about evaporation, condensation, precipitation and collection and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Water Cycle Word Search Worksheet preview

Science · Grades 3–5

Water Cycle Word Search Worksheet

A printable water cycle word search for grades 3 to 5. Students find 12 words about the steps of the water cycle, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Water Cycle Worksheet preview

Science · Grades 3–5

Water Cycle Worksheet

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.

Full Member · 3 pages · Answer Key

Weather Instruments Worksheet preview

Science · Grades 3–5

Weather Instruments Worksheet

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.

Full Member · 3 pages · Answer Key

Weather Worksheet preview

Science · Grades 2–4

Weather Worksheet

A printable science worksheet for grades 2-4 that builds weather vocabulary and introduces basic weather instruments. Students name 8 weather phenomena from short descriptions and answer 6 short questions about instruments and the difference between weather and climate. A complete answer key is included.

Full Member · 3 pages · Answer Key

Weather and Climate Worksheet preview

Science · Grades 3–5

Weather and Climate Worksheet

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.

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

Life Science

Animal Adaptations Worksheet preview

Science · Grades 3–5

Animal Adaptations Worksheet

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.

Full Member · 3 pages · Answer Key

Animal Classification Worksheet preview

Science · Grades 3–5

Animal Classification Worksheet

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.

Free Member · 3 pages · Answer Key

Animal Habitats Worksheet preview

Science · Grades 2–4

Animal Habitats Worksheet

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.

Full Member · 3 pages · Answer Key

Animal Life Cycles Worksheet preview

Science · Grades 2–4

Animal Life Cycles Worksheet

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.

Full Member · 3 pages · Answer Key

Camouflage and Mimicry Worksheet preview

Science · Grades 3–5

Camouflage and Mimicry Worksheet

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.

Full Member · 3 pages · Answer Key

Complete and Incomplete Metamorphosis Worksheet preview

Science · Grades 3–5

Complete and Incomplete Metamorphosis Worksheet

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.

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

Decomposers Worksheet preview

Science · Grades 3–5

Decomposers Worksheet

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.

Full Member · 3 pages · Answer Key

Dinosaurs Crossword Puzzle Worksheet preview

Science · Grades 3–5

Dinosaurs Crossword Puzzle Worksheet

A printable dinosaurs crossword puzzle for grades 3 to 5. Students read 12 clues about dinosaur periods, famous dinosaurs and fossils and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Dinosaurs Word Search Worksheet preview

Science · Grades 3–5

Dinosaurs Word Search Worksheet

A printable dinosaurs word search for grades 3 to 5. Students find 12 words about dinosaurs, fossils and the periods they lived in, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Ecosystems Worksheet preview

Science · Grades 3–5

Ecosystems Worksheet

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.

Full Member · 3 pages · Answer Key

Five Senses Worksheet preview

Science · Grades 1–3

Five Senses Worksheet

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.

Free Member · 3 pages · Answer Key

Food Chain Worksheet preview

Science · Grades 3–5

Food Chain Worksheet

A printable science worksheet for grades 3-5 that introduces producers, consumers, and decomposers and how energy flows through a food chain. Students classify 10 organisms and then analyze a forest food chain through 6 short-answer questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Food Web Worksheet preview

Science · Grades 3–5

Food Web Worksheet

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.

Free Member · 3 pages · Answer Key

Herbivores, Carnivores, and Omnivores Worksheet preview

Science · Grades 3–5

Herbivores, Carnivores, and Omnivores Worksheet

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.

Full Member · 3 pages · Answer Key

Hibernation and Migration Worksheet preview

Science · Grades 2–4

Hibernation and Migration Worksheet

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.

Full Member · 3 pages · Answer Key

How Chocolate Is Made Worksheet preview

Science · Grades 2–4

How Chocolate Is Made Worksheet

A printable science reading passage for grades 2 to 4. Students read how chocolate starts as the seeds of the cacao tree and follow the steps from pod to bar, then answer questions about the tree and the steps.

Full Member · 3 pages · Answer Key

How Cranberries Grow Worksheet preview

Science · Grades 2–4

How Cranberries Grow Worksheet

A printable science reading passage for grades 2 to 4. Students read how cranberries grow on low vines, why the berries float, and how farmers harvest them, then answer questions about what happens and in what order.

Full Member · 3 pages · Answer Key

How Trees Help the Air Worksheet preview

Science · Grades 2–4

How Trees Help the Air Worksheet

A printable science reading passage for grades 2 to 4. Students read how a tree takes in water and carbon dioxide, uses sunlight to make its food, and gives off oxygen, then answer questions about photosynthesis.

Full Member · 3 pages · Answer Key

Human Body Crossword Puzzle Worksheet preview

Science · Grades 3–5

Human Body Crossword Puzzle Worksheet

A printable human body crossword puzzle for grades 3 to 5. Students read 12 clues about the organs and systems of the human body and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Human Body Systems Worksheet preview

Science · Grades 3–5

Human Body Systems Worksheet

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.

Full Member · 3 pages · Answer Key

Human Body Word Search Worksheet preview

Science · Grades 3–5

Human Body Word Search Worksheet

A printable human body word search for grades 3 to 5. Students find 12 words about the organs and systems of the human body, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Inherited and Learned Traits Worksheet preview

Science · Grades 3–5

Inherited and Learned Traits Worksheet

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.

Full Member · 3 pages · Answer Key

Insects Worksheet preview

Science · Grades 2–4

Insects Worksheet

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.

Full Member · 3 pages · Answer Key

Kangaroos Worksheet preview

Science · Grades 3–5

Kangaroos Worksheet

A science worksheet on kangaroos and how they live, for grades 3 through 5. Students read a passage on kangaroo biology, behavior, and life cycle, then answer multiple choice, true/false, and fill-in-the-blank questions.

Free Member · 3 pages · Answer Key

Living and Nonliving Things Worksheet preview

Science · Grades 1–3

Living and Nonliving Things Worksheet

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.

Full Member · 3 pages · Answer Key

Microorganisms Worksheet preview

Science · Grades 3–5

Microorganisms Worksheet

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.

Full Member · 3 pages · Answer Key

Nocturnal and Diurnal Animals Worksheet preview

Science · Grades 1–3

Nocturnal and Diurnal Animals Worksheet

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.

Full Member · 3 pages · Answer Key

Parts of a Plant Worksheet preview

Science · Grades 3–5

Parts of a Plant Worksheet

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.

Full Member · 3 pages · Answer Key

Parts of a Tooth Worksheet preview

Science · Grades 3–5

Parts of a Tooth Worksheet

Label a cross-section of a tooth, then match each part to what it does. Printable PDF with a complete answer key.

Full Member · 3 pages · Answer Key

Photosynthesis Worksheet preview

Science · Grades 3–5

Photosynthesis Worksheet

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.

Full Member · 3 pages · Answer Key

Plant Life Cycle Worksheet preview

Science · Grades 2–4

Plant Life Cycle Worksheet

A printable science worksheet for grades 2-4 that walks students through the five stages of a flowering plant's life cycle. Students answer 8 questions about an apple tree and 6 short-answer questions about plant parts and what plants need to grow. A complete answer key is included.

Full Member · 3 pages · Answer Key

Pollination Worksheet preview

Science · Grades 3–5

Pollination Worksheet

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.

Free Member · 3 pages · Answer Key

Predator and Prey Worksheet preview

Science · Grades 3–5

Predator and Prey Worksheet

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.

Full Member · 3 pages · Answer Key

Rainforest Crossword Puzzle Worksheet preview

Science · Grades 3–5

Rainforest Crossword Puzzle Worksheet

A printable rainforest crossword puzzle for grades 3 to 5. Students read 12 clues about the layers of the rainforest and the animals and plants that live there and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Rainforest Word Search Worksheet preview

Science · Grades 3–5

Rainforest Word Search Worksheet

A printable rainforest word search for grades 3 to 5. Students find 12 words about the layers of the rainforest and the animals that live there, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Full Member · 3 pages · Answer Key

Seed Dispersal Worksheet preview

Science · Grades 3–5

Seed Dispersal Worksheet

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.

Full Member · 3 pages · Answer Key

Skeleton and Bones Worksheet preview

Science · Grades 3–5

Skeleton and Bones Worksheet

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.

Full Member · 3 pages · Answer Key

Vertebrates and Invertebrates Worksheet preview

Science · Grades 3–5

Vertebrates and Invertebrates Worksheet

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.

Free Member · 3 pages · Answer Key

Why Leaves Change Color Worksheet preview

Science · Grades 2–4

Why Leaves Change Color Worksheet

A printable science reading passage for grades 2 to 4. Students read why leaves turn yellow, orange, and red in the fall, then answer questions about what happens and in what order.

Full Member · 3 pages · Answer Key

Physical Science

Changes of State Worksheet preview

Science · Grades 3–5

Changes of State Worksheet

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.

Full Member · 3 pages · Answer Key

Conductors and Insulators Worksheet preview

Science · Grades 3–5

Conductors and Insulators Worksheet

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.

Full Member · 3 pages · Answer Key

Electricity Worksheet preview

Science · Grades 3–5

Electricity Worksheet

A printable physical-science worksheet for grades 3-5 that introduces electric circuits, conductors, and insulators. Students classify eight materials as conductors or insulators, then answer four short-response items about closed loops, wire construction, and electrical safety. A complete answer key is included.

Full Member · 3 pages · Answer Key

Force and Motion Worksheet preview

Science · Grades 3–5

Force and Motion Worksheet

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.

Full Member · 3 pages · Answer Key

Forms of Energy Worksheet preview

Science · Grades 3–5

Forms of Energy Worksheet

A printable physical-science worksheet for grades 3-5 on the main forms of energy: heat, light, sound, electrical, and mechanical. Students identify the main form of energy in eight everyday examples, then answer four short questions including energy transformations. A complete answer key is included.

Full Member · 3 pages · Answer Key

Friction Worksheet preview

Science · Grades 3–5

Friction Worksheet

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.

Free Member · 3 pages · Answer Key

Gravity Worksheet preview

Science · Grades 3–5

Gravity Worksheet

A printable physical-science worksheet for grades 3-5 on gravity: the force that pulls objects toward Earth's center, gives them weight, and keeps the Moon and planets in orbit. Students judge eight true/false statements, then answer four short questions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Heat and Temperature Worksheet preview

Science · Grades 3–5

Heat and Temperature Worksheet

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.

Free Member · 3 pages · Answer Key

How Rainbows Form Worksheet preview

Science · Grades 2–4

How Rainbows Form Worksheet

A printable science reading passage for grades 2 to 4. Students read how sunlight and raindrops make a rainbow, which color is on the outside, and where to stand to see one, then answer questions about light and color.

Full Member · 3 pages · Answer Key

Light Worksheet preview

Science · Grades 3–5

Light Worksheet

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.

Full Member · 3 pages · Answer Key

Magnets Worksheet preview

Science · Grades 3–5

Magnets Worksheet

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.

Free Member · 3 pages · Answer Key

Mixtures and Solutions Worksheet preview

Science · Grades 3–5

Mixtures and Solutions Worksheet

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.

Full Member · 3 pages · Answer Key

Properties of Materials Worksheet preview

Science · Grades 2–4

Properties of Materials Worksheet

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.

Full Member · 3 pages · Answer Key

Pulleys Worksheet preview

Science · Grades 3–5

Pulleys Worksheet

A science worksheet about pulleys for grades 3 through 5. Students study a diagram of a fixed pulley, a movable pulley, and a block and tackle, read about how each one changes the force you use, and then answer multiple choice, true/false, and fill-in-the-blank questions.

Full Member · 3 pages · Answer Key

Simple Machines Worksheet preview

Science · Grades 3–5

Simple Machines Worksheet

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.

Full Member · 3 pages · Answer Key

Sink or Float Worksheet preview

Science · Grades 2–4

Sink or Float Worksheet

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.

Full Member · 3 pages · Answer Key

Sound Worksheet preview

Science · Grades 3–5

Sound Worksheet

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.

Full Member · 3 pages · Answer Key

States of Matter Worksheet preview

Science · Grades 2–4

States of Matter Worksheet

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.

Free Member · 3 pages · Answer Key

The Color Wheel Worksheet preview

Science · Grades 3–5

The Color Wheel Worksheet

A worksheet about the color wheel for grades 3 through 5. Students study a printed twelve-hue wheel that marks the primary and secondary colors, read about how every other color is mixed from three, which colors sit opposite each other, and why a screen starts from a different set of colors than a paintbox, then answer multiple choice, true/false, and fill-in-the-blank questions.

Full Member · 3 pages · Answer Key

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.

Full Member · 3 pages · Answer Key

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.

Full Member · 3 pages · Answer Key

Observation and Inference Worksheet preview

Science · Grades 3–5

Observation and Inference Worksheet

A printable science worksheet for grades 3-5 on observation and inference. Students will tell an observation, an inference, and a prediction apart, and explain why two people can observe the same thing and infer differently.

Free Member · 3 pages · Answer Key

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.

Full Member · 3 pages · Answer Key

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.

Full Member · 3 pages · Answer Key

Science Tools and What They Measure Worksheet preview

Science · Grades 3–5

Science Tools and What They Measure Worksheet

A printable science worksheet for grades 3-5 on science tools and what they measure. Students will choose the instrument that matches the quantity they need, and explain why every measurement is written with a unit.

Full Member · 3 pages · Answer Key

Scientific Method Worksheet preview

Science · Grades 3–5

Scientific Method Worksheet

A printable science worksheet for grades 3-5 that walks students through the six steps of the scientific method and the vocabulary of a good experiment. Students complete 14 items: Section A reads eight short descriptions of what an experimenter just did and writes the matching step, and Section B answers six short questions about hypotheses, variables, fair tests, and conclusions. A complete answer key is included.

Full Member · 3 pages · Answer Key

Space Science

Solar System Crossword Puzzle Worksheet preview

Science · Grades 3–5

Solar System Crossword Puzzle Worksheet

A printable solar system crossword puzzle for grades 3 to 5. Students read 12 clues about the eight planets, the Moon, comets and asteroids and fill in the grid, with a word bank and an answer key.

Full Member · 2 pages · Answer Key

Solar System Word Search Worksheet preview

Science · Grades 3–5

Solar System Word Search Worksheet

A free solar system word search for grades 3 to 5. Students find 12 words about the eight planets, the Moon, comets and asteroids, hidden across, down, and diagonally up or down, then use the words to finish sentences.

Public · 3 pages · Answer Key

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.

Full Member · 3 pages · Answer Key

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