Simple Machines

Which is not a type of simple machines?

• spring
• screw
• pulley
• wedge

Work is

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

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

• lever
• inclined plane
• screw
• wheel and axle

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.

• treads
• springs
• threads
• 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 puchses a stroller up a ramp into a building
• a girl eats a sandwich

Thomas is using a screwdriver to pry open a paint can,  The screwdriver is being used as

• a pulley
• an inclined plane
• a screw
• a lever

Jan is using a screwdriver to insert a screw.  The screwdriver is being used as

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

Which type of simple machine would be found on the bottom of a wagon?

• a pulley
• a screw
• a wedge
• a wheel and axle