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!

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 investigates which objects float and sink in honey, water, and oil.

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!

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 Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.