How can I experiment with--? / Armentrout, David

Explains scientific concepts related to wheels, covering such topics as friction, bearings, and wheel size, and presents hands-on activities.

Explains scientific concepts related to wedges, discussing different jobs that wedges do, and presents hands-on activities.

Explains scientific concepts related to screws, discussing different jobs that screws do, and presents hands-on activities.

Explains scientific concepts related to levers, covering such topics as force arm and weight arm, and presents hands-on activities.

Defines inclined planes, explains their functions, and suggests simple experiments to demonstrate how they work.

Explains scientific concepts related to pulleys, covering such topics as the fixed pulleys and counterweights, and presents hands-on activities.