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

Free science fair project idea examining how different types of water affect plant germination and growth.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

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

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

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.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

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!

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

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

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.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Determine how we can separate the components of a solution

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.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

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.

Compare different remedies for cooling the mouth after eating spicy food.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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