Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Examine the effect of pressure on carbonation in soda.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Here are four chocolate bark ideas to prepare with your kids that everyone will love.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This project examines whether more expensive golf balls translate into better results on the golf course.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Help your child learn one of the most beautiful mathematical expressions in nature as she uses the Fibonacci sequence to create a "spiral of beauty."

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This year on Mother's Day, here's a gift that builds vocabulary while bringing a smile to Mom's face!

Science fair project that uses distillation to convert salt water into fresh water.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Silent "e" words are a big part of first grade phonics. Help them turn words like "hop" to "hope" in this action-packed, practical game.

Make mom feel like the star that she truly is by holding a movie premiere in her honor, complete with red carpet!

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.