This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Explore the effect of wind speed on the burning rate of a candle.

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

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This experiment will evaluate how texting and talking on cell phones influence reaction time.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

In this experiment you will use plastic and magnets to test your local soil composition.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

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

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

Slip some science into storm watching with a homemade rain gauge!

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.