Science Homework (Simple Machines)

Flagpole

• wedge
• pulley
• incline plane
• wheel and axle

Lightbulb

• wedge
• pulley
• incline plane
• screw

Pedals, handle bars and handbrakes on a bicycle

• wedges
• pulleys
• incline planes
• levers

This device

• wedge
• lever
• incline plane
• wheel and axle

Screws and wedges are examples of what other type of simple machine?

• pulley
• inclined plane
• levers
• gears

What is an example of a wheel and axle?

• ax
• light bulb
• skateboard ramp
• bus tire

What is a screw?

• means attracted to a magnet
• an inclined plane that is wrapped around an axle
• stiff bar that rests on a fulcrum
• made of 2 inclined planes that are back to back

What is an example of a screw?

• arm
• ax
• light bulb
• ramp

What is a lever?

• made of 2 inclined planes that are back to back
• means attracted to a magnet
• stiff bar that rests on a fulcrum
• made of 2 inclined planes that are back to back

What type of simple machine is this?

• wheel and axle
• gear
• lever
• inclined plane