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

What is the fixed point upon which a lever rotates?

• fulton
• fulcrum
• furmen
• falcon

Which of these is an example of a wedge?

• skateboard
• broom
• stairs
• butter knife

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

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

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

Which is a characteristic of simple machines?

• they run on electricity
• they take a long time to make
• they have few or not moving parts
• they are not very large