What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea examines which type of insulation holds in the most heat.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

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.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This science fair project will help students learn about non-vascular plants, such as mosses.

This surprisingly good glue recipe comes from common kitchen items.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!