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.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

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

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.

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.

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