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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Making your own glass cleaner is easy, effective and inexpensive!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.