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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project idea explores how length affects the weight a bridge can hold.

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

This science fair project idea investigates how magnetism can defy the force of gravity.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.