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!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This spider mobile activity encourages learning about the science of motion, air currents and art.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Celebrate Read Across America Day with your kindergartener by playing an alphabet balloon volley game inspired by "The Cat in the Hat Comes Back" by Dr. Seuss.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

The perfect activity for a rainy day, or any time your little one moans, "Moooo-oom, there's nothing to do!"

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

This science fair project teaches students about wilting and browning of salad greens.

Heart hair clips give your sweetheart a sweet style upgrade. These heart hair clips are perfect for Valentine's Day or anyday that needs a little extra love.

Enjoy the fragrant scents of the holiday season with this pomander activity. A perfect arts and crafts project for preschool or kindergarten age children.

It's springtime! Time to get outside and dig! Once seeds go into the ground, invite your child to mark the spot in style.

Apple slices can turn brown, but when they are coated with lemon juice the acid keeps the apples fresh. Here's how to help your preschooler experiment:

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This versatile clay-like material hardens if left out and can be used for building sand castles, forts, and even school projects.

This science fair project idea demonstrates that plants give off water.

If your kid is fascinated by dinosaurs, show him how to make his very own dinosaur egg. When he's not looking, hide a surprise inside!

Bring the crisscrossing lines of highways and the sprawling webs of metropolitan cities to your dinner table!

Celebrate the popular holiday Diwali with a craft! Make a homemade diya lamp to welcome light over darkness.