What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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.

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This easy at-home experiment is a great way to "see" science.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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