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

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

This science fair project idea produces varying pitches of sound.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.