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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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.

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

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

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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.

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

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Using a toy race car kids create a visual model of the Doppler Effect.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this science fair project, students use the streak test to tell minerals apart from each other.

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

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