Simple Machines

Which is not a type of simple machine?

• spring

• pulley

• screw

• wedge

Work is...

• energy from the sun

• a type of machine

• a force that moves an object

• a force that pulls you towards the Earth

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

• lever

• screw

• inclined plane

• wheel and axle

What is the fixed point upon which a lever rotates?

• futon

• fulcrum

• fluff

• fruit

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

• wedge

• inclined plane

• lever

• wheel and axle

. Which of these is an example of a wedge?

• skateboard

• stairs

• butter knife

• broom

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

• treads

• threads

• strings

• springs

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

• ladder

• wall

• stairs

• 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 into a building

• a girl eats a sandwich

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

• a pulley

• a lever

• a wheel and axle

• screw