This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project idea researches the effects of acid rain on plant growth.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

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

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Do different types of oil mix or stack? Find out in this science fair project idea!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science fair project idea experiments with spinning color wheels and optical illusions.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This science fair project idea produces varying pitches of sound.

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.