Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

How powerful is the reaction between baking soda and vinegar? Find out here!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

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.

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

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

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