This science fair project idea examines whether boys and girls differ in reflexes.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

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

For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Your kindergartener will love being able to paint a beautiful butterfly, and the lucky recipient of the finished card will be just as delighted!

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

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

A thankful turkey helps your child think about on the things that he's thankful for. Make this turkey craft with your child for Thanksgiving.

Science fair project that creates fog using bottles of hot and cold water.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

Help your child to create a familiar favorite from a book or series he adores out of papier-mache. Exercise your child's imagination and language arts skills.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Discover whether the color of text correlates with ease and speed of reading.

This science fair project idea determines whether the hand a person writes with relates to which side they will choose from in a fake taste test.

Science fair project that determines whether brain size is correlated with intelligence.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

This science fair project idea determines effective strategies to help students stay awake and attentive.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.