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You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea examines whether boys and girls differ in reflexes.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.