Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This surprisingly good glue recipe comes from common kitchen items.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Find out whether matching resonant frequencies can cause objects to shatter.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

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