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.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science fair project idea explores whether talking to a plant will help it grow.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Introduce your child to science with something they see everyday--their shadow!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Experiment with magnetism in this 8th grade science activity in which your child will create a working compass using a steel needle, magnet, and jar.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.