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Third Grade Science

Learning third grade science doesn't have to be from the inside of a textbook. Try these third grade science resources, which include experiments like making your own cloud and making your own glue. Got a biologist on your hands? Find out if plants can breath with our plant science activity. These scientific explorations support key concepts. Ready to see what's next? Try our fourth grade science resources.

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Third Grade

Science

Planets in our Solar System

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Life Science Crossword: Plant and Animal Cells

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

The Limewater Carbon Dioxide Test

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

How Old is That Tree?

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

The Solar System: Learning about Planets

Use this lesson to have your students research about a planet of their choice and present it to the class! This lesson will also give the creative students of your class an opportunity to make their own planets!

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

Do-It-Yourself Solar Eclipse!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Greenhouse Project

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Transpiration Experiment

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

How Does Smell Affect Taste?

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Bouncing Ball Physics: What is Elasticity?

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Rust Chemistry: How Does Rust Form?

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Make Your Own Cloud!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

How to Separate Salt from Water

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Make Homemade Glue!

This surprisingly good glue recipe comes from common kitchen items.

The Science of Sound

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Does Hot Water Freeze Faster Than Cold Water?

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Blast Off: The Solar System

Earth's neighbors have landed: the planets that is! Your child can make his way across our solar system, planet by planet, learning interesting facts like any good astronaut, and making a 3-D mobile.

Animal Word Search: Endangered Species

Help your child learn a little about endangered species and why they're in danger with this printable word search.

Which Food Will Mold the Fastest?

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Types of Energy

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Solar System Worksheet

This solar system worksheet guides your child through the order of the planets. Use this solar system worksheet to learn about the planets in the Milky Way.

Vinegar and Baking Soda Balloon

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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