Free 3rd Grade Science Worksheets

Download 343 free 3rd Grade science worksheets. Printable PDFs for science practice — tracing, writing, problem-solving and more.

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3rd Grade Science Worksheets(343)

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Free 3rd Grade Science Worksheets

3rd Grade Science Worksheets(343)

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web — Set B

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem — Set B

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem — Set B

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes — Set B

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils — Set B

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature — Set B

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web — Set C

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem — Set C

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem — Set C

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes — Set C

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils — Set C

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature — Set C

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web — Set D

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem — Set D

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem — Set D

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes — Set D

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils — Set D

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature — Set D

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web — Set E

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem — Set E

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem — Set E

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes — Set E

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils — Set E

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature — Set E

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

Grade 3 Ecosystems & Food Chains — Diagram — Food Web — Review

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

Grade 3 Ecosystems & Food Chains — Diagram — Grassland Ecosystem — Review

Grade 3 Ecosystems & Food Chains — Diagram — Wetland Ecosystem — Review

Grade 3 Ecosystems & Food Chains — Diagram — Environmental Changes — Review

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

Grade 3 Ecosystems & Food Chains — Diagram — Fossils — Review

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

Grade 3 Ecosystems & Food Chains — Observation Checklist — Nature — Review

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

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

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

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

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

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

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

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

Grade 3 Forces, Motion & Magnetism — Friction Experiment Sheet

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

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

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

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

Grade 3 Forces, Motion & Magnetism — Experiment — Testing Materials for Magnetism — Set B

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

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

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

Grade 3 Forces, Motion & Magnetism — Diagram — Simple Machines — Pulleys — Set B