Simple Machines, Work & Power

How many simple machines are there?

• 2

• 4

• 6

• 8

Name this simple machine.

• Lever
• Wedge
• Pulley
• Inclined Plane

Name this simple machine. 

• Pulley
• Wheel and Axle
• Inclined Plane
• Lever

Name this simple machine. 

• Inclined Plane
• Lever
• Pulley
• Wedge

Which choice is an example of a pulley?

• Axe
• Seesaw
• Crane 
• Tunnel

Which choice is an example of an inclined plane?

• A ramp
• Seesaw
• Bottle Cap
• Ferris Wheel 

The fixed point on the lever is called 

• load
• resistance
• bar
• fulcrum

Two examples of a pulley...

• knife & axe blade
• lightbulb & screw
• flagpole hoist & window blinds
• catapult & teeter totter

A _____ is a fixed bar that is free to move around a fixed point known as a fulcrum.

• pulley
• inclined plane
• lever

A ______ is a grooved wheel with a rope running along the groove.

• lever
• pulley
• screw