Simple Machines

The amount of energy needed to move an object is called?

• work
• friction
• gravity
• magnets

Who said "there is no substitute for hard work?"

• Thomas Edison
• Sir Issac Newton
• Mrs. Toshack
• Roberto Clemente

six kinds of tools with few or no moving parts that make work easier

• magnets
• simple machines
• screwdrivers
• elevators

A simple machine made of a bar or board that is supported underneath at the fulcrum

• lever
• incline plane
• wedge
• screw

An example of a lever is?

• light switch
• ramp
• pulley
• car wheel

A simple machine that is a flat surface with one end higher than the other

• wheel and axle
• pulley
• wedge
• inclined plane

You see an inclined plane everyday, what is it?

• wheel and axle
• doorstop
• light switch
• blinds

A simple machine used to hold object together

• screw
• wheel and axle
• lever
• inclined plane

A screw is also what kind of simple machine? (think about the Archimedes screw)

• inclined plane
• wheel and axle
• pulley
• wedge

A simple machine made of a wheel and a rope

• pulley
• wheel and axle
• wedge
• inclined plane