Will the shape of an ice cube impact how fast the ice melts?

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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.

This science fair project idea experiments with spinning color wheels and optical illusions.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Make a spring collage with your child to get them outside and those creative juices flowing!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea identifies trees using a dichotomous key.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

This simple experiment serves as an introduction to the greenhouse effect.

Find out which type of sponge holds the most water.

This experiment will evaluate if chewing gum affects students' test performance.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.