Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Plants and light seem to be good buddies, but how far does the friendship really go?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Use pepper and soap to discover some fun facts about the properties of water.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Test your friends to find out if you can replicate the placebo effect's incredible results.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this activity, your child will be challenged to make a tower using paper cups.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.