What simple machine is used to lift & move things by using a stiff bar that rests on a support called a fulcrum?

• screw

• wheel & axle

• lever

• pulley

• inclined plane

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What simple machine makes work easier by using a wheel and rope to help move an object?

• pulley

• wheel & axle

• inclined plane

• wedge

• screw

What simple machine has two slanted sides that end in a sharp edge and cuts things or separates an object?

• screw

• pulley

• wedge

• inclined plane

• lever

What simple machine is a round wheel attached to a post that works together to move something?

• lever

• pulley

• inclined plane

• screw

• wheel & axle

Tags

NGSS.MS-PS2-1

What simple machine is a slanted flat surface that helps move an object from a high position to a low position OR a low position to a high position?

• pulley

• lever

• screw

• inclined plane

• wedge

Tags

NGSS.MS-PS2-2

What simple machine has ridges wrapped around a center post that holds things together?

• pulley

• wedge

• screw

• inclined plane

• lever

Select ALL correct answers. What is true about simple machines?

• They make work easier.

• They have few or no moving parts.

• They are always made of metal.

• They are silly looking.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Work is the use of force to move an object.

• true

• false

Identify this simple machine.

• screw

• wedge

• inclined plane

• lever

• pulley

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Identify this simple machine.

• pulley

• wedge

• inclined plane

• wheel & axle

• screw