Simple Machines

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

work is...

• energy from the sun
• a type of machine
• a force that moves an object
• a force that pulls you toward the earh

What type of simple machine is found on the cap of a pickle jar?

• lever
• inclined plane
• pulley
• screw

What type of simple machine is found on the floor of a bathtub?

• screw
• inclined plane
• wedge
• pulley

Which of these is an example of a wedge?

• skateboard
• broom
• stairs
• butter knife

A screw is made up of _____ wrapped around a post or rod.

• threads
• springs
• treads
• strings

Which of these is not an example of an inclined plane?

• ladder
• stairs
• wall
• driveway

Which is an example of someone using a simple machine to do work?

• a boy runs across a football field
• a banker counts money
• a mother pushes a stroller up a ramp
• a girl eats a sandwich

Jan is using a screwdriver, which is a type of ...

• a pulley
• a screw
• a lever
• a wheel and axle

Which is a characteristic of a simple machine?

• They run on electricity.
• They take a long time to make.
• They have few or no moving parts.
• They are not very large.