1-800-452-1261

M–F, 7:30 AM–5:00 PM CST

Address	P.O. Box 219 Batavia, IL 60510
Phone	800-452-1261
Fax
Email	[email protected]

Celt

firewatch

DC1972

Price: FREE

Learn more about downloading digital content

A hard-boiled egg will spin both counter-clockwise and clockwise. Do you believe this is true of all shapes of stones?

Concepts

Kinetic Energy
Materials Science
Inertia