Simple Machines Test Review

Which of the following is NOT an example of a simple machine.

• A screw

• A pulley

• A washing machine

• A wheel

A seesaw is an example of a lever. How can a lever help you get work done?

• A lever can lift a heavy load.

• A lever can dig a hole.

• A lever is used to cut through stone.

• A lever holds a building together.

Tags

NGSS.MS-ETS1-1

What is the difference between a nail and a screw?

• Nails come in all different shapes and sizes and screws only come in one size.

• A screw has ridges called threads to make them really strong.

• You need a screwdriver or drill to twist a nail into place.

• A nail has a sharp point and screws do not.

How does a wheel and axle help us everyday?

• They work together to change the amount of force needed to move an object.

• They help spin things.

• They help move things.

• All of the above

Tags

NGSS.MS-PS2-2

A __________________ is a wheel with teeth.

• Gear

• Lever

• Inclined Plane

• Wedge

Wheels make work easier by cutting down on ___________?

• magnetism

• sound waves

• friction

• gravity

A _____________ has two slanted sides that come to a point to let you cut through other objects.

• wheel

• wedge

• pulley

• lever

A ___________ is made up of a grooved wheel and a rope. It helps rise and lower objects.

• screw

• wheel and axle

• inclined plane

• pulley

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Gears can be found in the following machine(s)

• Clocks

• Bicycles

• Can openers

• All of the above

The taller an incline plane, the _________ force that is applied to the object at the end.

• more

• less