The Six Simple Machines

Name the simple machine: a flat surface set at an angle, used to move objects up or down.

Inclined plane (ramp)

Name the simple machine: a rigid bar that pivots around a fixed point.

Lever

Name the simple machine: a wheel with a rope, chain, or cable, used to lift objects.

Pulley

Name the simple machine: a rod and a wheel that rotate together.

Wheel and axle

Name the simple machine: an inclined plane wrapped around a cylinder.

Screw