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What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

This project examines whether people's taste perception is influenced by what they see.

This project determines what category of person is most likely to be ticklish.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this activity, your child will be challenged to make a tower using paper cups.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this activity your child will create their very own marble maze!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.