Explore scientific concepts with this experiment that introduces kids to the scientific method!

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

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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 design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.