This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.