Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

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

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.