Simple Machine and Complex Machine

A tool with only a few parts that helps you do work is called a

• simple machine

• complex machine

• axle

• fulcrum

Tags

NGSS.MS-PS2-1

What simple machine is a block and tackle?

• gear

• lever

• pulley

• wheel and axle

A ramp is what simple machine?

• lever

• screw

• gear

• inclined plane

How many simple machines are there?

• 5

• 6

• 7

• 8

A sloped or slanted surface that makes it easier to move an object from a lower level to a higher level.

• lever

• wheel and axle

• inclined plane

• screw

A rigid bar that pivots or turns on a fulcrum. Used to lift or move heavy objects.

• wedge

• inclined plane

• gear

• lever

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A round object that turns around a pin or pole.

• pulley

• gear

• wheel and axle

• wedge

A wheel with a rope used to lift or move heavy objects.

• gear

• inclined plane

• pulley

• screw

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following is NOT a complex machine?

• bicycle

• ramp

• can opener

• wheel barrow

The turning point of a lever is a

• axle

• cog

• fulcrum

• joint