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

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!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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

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

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea produces varying pitches of sound.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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 science fair project idea explores whether talking to a plant will help it grow.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project idea studies how talking on a cell phone affect driving?

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

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

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.

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?

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.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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