Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

Demonstrate how to tell the age of an egg without having to crack it open.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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.

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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.

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.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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.

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

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

Find out which type of sponge holds the most water.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.