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

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

This science fair project idea produces varying pitches of sound.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

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?

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

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

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

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

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.

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

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This science fair project idea demonstrates sonar mapping of the ocean floor.

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.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.