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In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Discover whether a metal will expand under hot water.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea compares the cuteness reaction between genders.

I scream, you scream, we all scream for homemade spearmint ice cream!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

This science project has students study the idea of human beauty.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.