Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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 a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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

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

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.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This surprisingly good glue recipe comes from common kitchen items.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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