Simple Machines

An ax is a

• lever

• wedge

• inclined plane

• screw

• pulley

A light bulb is a

• lever

• wheel and axle

• wedge

• screw

• pulley

This type of simple machine uses a wheel to change the direction of a force.

• wedge

• lever

• pulley

• screw

All simple machines help make work _________.

• harder

• smaller

• lighter

• easier

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

This simple machine allowed Elijah to lift a heavy rock.

• wedge

• lever

• screw

• inclined plane

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Simple machines can change the amount of_______ needed to do work.

• gravity

• people

• force

• pulley

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This simple machine helps force objects apart.

• wedge

• lever

• pulley

• inclined plane

Tags

NGSS.MS-PS2-1

This type of simple machine has a slanted surface.

• wedge

• screw

• pulley

• inclined plane

A catapult is which type of simple machine?

• a wedge

• a lever

• a screw

• an inclined plane

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

How many different simple machines are there?

• 4

• 5

• 6

• 7