Force

Penny on top of notecard and cup.

Penny for Your Thoughts on Inertia

about 35 minutes
Use pennies and index cards to explore inertia and the well-known magician’s tablecloth trick.

Pain in the Neck

about 50 minutes
Use tennis balls to explore inertia and how to prevent whiplash injuries in rear-end crashes.

Twirling Penny

about 50 minutes
Twirl a penny on a hanger to explore circular motion and how seatbelts and banked roadways protect occupants during turns.

A pencil pointing into a finger.

Stressing Over Pencil Pressure

about 40 minutes
Use pencil push-tests to learn the difference between force and pressure and explore how safety features protect human bodies in a crash.