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

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

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

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.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

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

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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.

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

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

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.

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!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea experiments with spinning color wheels and optical illusions.

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

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