Simple Machines

What simple machine is wide at one end and pointed at the other and helps cut or split other objects?

• pulley

• wedge

• wheel and axle

• lever

What simple machine is a stiff bar that moves around a fixed point and is used to push, pull or lift things?

• lever

• screw

• wheel and axle

• wedge

What simple machine is a flat surface that is raised so that one end is higher than the other and makes it easier to move heavy objects?

• pulley

• lever

• inclined plane

• screw

What simple machine is a rod attached to a wheel and makes it easier to move or turn objects?

• wheel and axle

• pulley

• lever

• screw

What simple machine is a wheel with a rope wrapped around it and is used to lift heavy objects by changing the direction of the force?

• pulley

• wheel and axle

• screw

• wedge

What simple machine is an inclined plane wrapped around a cylinder and is used to help hold objects together?

• lever

• pulley

• wedge

• screw

Which body part is an example of a lever?

• arm

• ear

• nose

• eye

Which item found at home uses a wheel and axle?

• hammer

• couch

• door

• doorknob

A student wants to look under a heavy rock. Which simple machine will be the most helpful to him?

• wheel and axle

• lever

• screw

• wedge

A ramp is an ___.

• wedge

• screw

• inclined plane

• pulley