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

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.

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.

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

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

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Find out whether matching resonant frequencies can cause objects to shatter.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

The purpose of this science fair project is to build a basic radio.

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

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.

Learn with makes water molecules work with this fun and easy science activity!

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!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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

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

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun activity, your child will create their very own solar oven to bake s'mores!