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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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