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!

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea determines if the color of light affects the growth of plants.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this design challenge, your child will make a bottle rocket using typical household items.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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.

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

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.