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Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do you think heat can affect a plant's growth rate?

Cleaning can be a chore, but not with this sudsy experiment!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin