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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

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.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Give your budding young observers a chance to discover simple machines at use in their own home.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Slip some science into storm watching with a homemade rain gauge!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project investigates why the number of visible stars changes from place to place.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.