Simple Machines

A simple machine is:

• a tool that makes work easier

• a tool with many moving parts

• a force of attraction

• a measurement from top to bottom

a seesaw is an example of a:

• Wheel and axle

• pulley

• lever

• screw

Which one is not a simple machine?

• pulley

• wedge

• inclined plane

• computer

Which of these is a type of force

• push

• friction

• wedge

• magnet

Pick the one that is not an example of way objects move.

• roll

• flip

• spin

• sit

This is necessary to get something moving

• resistance

• force

• wedge

• screw

This force pulls us towards the center of the Earth.

• gravity

• air resistance

• friction

• push

This is the same as an inclined plane:

• wheel

• ramp

• pulley

• swing

A rod attached to the center of a wheel is called

• a magnet

• a wedge

• a top

• an axle