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

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

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Help your child make a beautiful homemade sandcastle that will last!

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Make sourdough bread...and learn some colonial history and modern science in the process!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Use a dichotomous key to identify plants or animals.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This experiment will explore the best way to create a perfect soft-boiled egg.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea investigates how different disinfectants work in killing germs.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Examine the effect of pressure on carbonation in soda.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!