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.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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

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

In this science fair project, students investigate how different colors influence appetite.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

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.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.