1st - 3rd Grade Science Projects Resources

Use pepper and soap to discover some fun facts about the properties of water.

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.

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.

This science fair project idea determines what household items are good conductors of electricity.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Start your toy engines -- this is going to be a fast and friction-filled race!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project idea explores whether talking to a plant will help it grow.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea determines what household items are good conductors of electricity.