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Free 3rd Grade Science Worksheets

Download 71 free 3rd Grade science worksheets. Printable PDFs for science practice — tracing, writing, problem-solving and more.

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3rd Grade Science Worksheets(71)

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Food Chain Diagram — Producer to Top Predator

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Diagram — Food Web

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Observation Log — Producers, Consumers, and Decomposers

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — How Environmental Changes Affect Organisms

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Diagram — Fossils

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Lab Report — Design a Model Habitat

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Observation Log — Producers, Consumers, and Decomposers — Review

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Observation Log — Producers, Consumers, and Decomposers — Challenge

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Food Chain Diagram — Producer to Top Predator — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Ecosystems & Food Chains — Observation Log — Producers, Consumers, and Decomposers — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Lab Report — Balanced and Unbalanced Forces

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Lab Report — Gravity and Weight

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Lab Report — Magnetic Forces

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Experiment — Spring Scale Measurements

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Experiment — Toy Cars and Ramp Investigations

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Diagram — Simple Machines — Levers

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Friction Experiment Sheet

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Hypothesis Worksheet — Forces and Motion

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Experiment — Testing Materials for Magnetism — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Forces, Motion & Magnetism — Experiment — Toy Cars and Ramp Investigations — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Animal Life Cycle — Butterfly (Metamorphosis)

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Animal Life Cycle — Frog (Metamorphosis)

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Reading Comprehension — Inheritance

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Reading Comprehension — Variation

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Observation Log — Animal Traits

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Observation Log — Plant Traits

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Parts of a Plant Label

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Reading Comprehension — Seed Germination Log

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Reading Comprehension — Animal Classification Chart

Science3rd GradeAges 8–9

Grade 3 Life Cycles & Inheritance of Traits — Animal Life Cycle — Butterfly (Metamorphosis) — Extra Practice

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Observation Log — Running and Agility

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Observation Log — Throwing and Catching

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Observation Log — Kicking and Dribbling

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Observation Log — Soccer and Basketball

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Observation Log — Relay Races

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Lab Report — Fitness Concepts

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Fitness Concepts — Muscles and Bones

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Lab Report — Personal Fitness Goals

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Diagram — Nutrition and Food Groups

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Body Systems — Heart, Lungs, and Bones

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Safety and Prevention — Emergency Preparedness

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Safety and Prevention — Drugs/Alcohol Awareness (Age-Appropriate)

Science3rd GradeAges 8–9

Grade 3 PE, Health & Nutrition — Safety and Prevention — Emergency Preparedness — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Water Cycle Diagram — Evaporation, Condensation, Precipitation

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Reading Basic Weather Maps

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Observation Log — Natural Hazards

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Lab Report — Natural Hazards

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Engineering Design — Parachute to Slow a Fall

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Reading Comprehension — Temperature Reading Practice

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Engineering Design — Parachute to Slow a Fall — Extra Practice

Science3rd GradeAges 8–9

Grade 3 Weather, Climate & Water Cycle — Observation Log — Weather Data Word Problems — Extra Practice

Science3rd GradeAges 8–9

3rd Grade Coding — Algorithms — Part 1

Science3rd GradeAges 8–9

3rd Grade Coding — Conditionals — Part 1

Science3rd GradeAges 8–9

3rd Grade Coding — Data & Lists — Part 1

Science3rd GradeAges 8–9

3rd Grade Coding — Data & Lists — Part 10

Science3rd GradeAges 8–9

3rd Grade Coding — Debugging — Part 1

Science3rd GradeAges 8–9

3rd Grade Coding — Safe & Kind — Part 1

Science3rd GradeAges 8–9

3rd Grade Science — Earth Systems — The Water Cycle: Evaporation

Science3rd GradeAges 8–9

3rd Grade Science — Ecosystems — Plant Life Cycle: From Seed to Flower

Science3rd GradeAges 8–9

3rd Grade Science — Ecosystems — What Makes Something Alive?

Science3rd GradeAges 8–9

3rd Grade Science — Simple Electricity — Newton's First Law: Objects at Rest

Science3rd GradeAges 8–9

3rd Grade Science — Simple Electricity — Newton's Second Law: Force and Acceleration

Science3rd GradeAges 8–9

3rd Grade Science — Engineering and Design — The Scientific Method

Science3rd GradeAges 8–9

3rd Grade Science — Engineering and Design — Variables in Experiments

Science3rd GradeAges 8–9

3rd Grade Science — Inheritance and Traits — Cells: The Building Blocks of Life

Science3rd GradeAges 8–9

3rd Grade Science — Inheritance and Traits — Plant Cells vs Animal Cells

Science3rd GradeAges 8–9

3rd Grade Science — Matter — States of Matter: Liquids and Flow

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