Simple Machines

Which force produces heat as the tires of a school bus rub against the road?

• electricity

• friction

• gravity

• magnetism

Tags

NGSS.MS-PS1-4

It will be easier for the student to use wheels to push the boxes in diagram B because there is

• less mass

• less friction

• more gravity

• more erosion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A toy truck rolls over a smooth surface. If the surface is covered with sand, the truck will most likely roll

• slower

• faster

• at the same speed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

The ramp in the diagram is an example of which simple machine?

• pulley

• lever

• inclined plane

• balance

What type of energy is a person in a wheelchair using to move the wheelchair up a ramp?

• heat

• light

• magnetic

• mechanical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The diagram shows a person using a tool to lift a box. which tool is being used?

• inclined plane

• lever

• magnet

• pulley

How much greater is the mass of the blocks on side A than the mass of the blocks on side B?

• 50 g

• 100 g

• 150 g

• 200 g

The pulley and lever shown use mechanical energy to move an object. The pulley and lever are examples of

• circuits

• magnets

• measurement tools

• simple machines

A student rubs his hands together to warm them. His hands get warm due to

• friction

• gravity

• magnetism

• sound

Tags

NGSS.MS-PS1-4

What form of energy is being used when a person pushes a wooden block across the floor?

• mechanical

• magnetic

• sound

• electrical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5