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In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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!

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.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

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.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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!

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.