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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This experiment investigates whether there are certain sounds that affect men and women differently

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

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

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.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.