Work and Energy Test Review Quizizz

Is work being done when you hold a heavy object? Why or why not?

• Yes, because you are exerting force.

• No, because there is no movement.

• Yes, because the object is heavy.

• No, because you are not using energy.

A woman lifts a plant 3 meters with a force of 70 N. How much work does she do? (Use W = F x D)

• 210 J

• 140 J

• 70 J

• 35 J

A student did 24 J of work on a chair. She applied a force of 12 N. How far did the chair move?

• 2 meters

• 3 meters

• 1 meter

• 4 meters

Tags

NGSS.MS-PS2-2

Give examples of good insulators.

• Rubber and glass

• Copper and aluminum

• Water and air

• Iron and steel

Tags

NGSS.MS-PS3-3

Give examples of good conductors.

• Copper and aluminum

• Rubber and plastic

• Wood and paper

• Glass and ceramic

At which position does a rollercoaster have the most potential energy?

• At the top of the highest hill

• At the bottom of the hill

• In the middle of the track

• At the start of the ride

Tags

NGSS.MS-PS3-2

A rock at the top of a cliff- potential energy or kinetic energy?

• potential energy

• kinetic energy

• Both PE and KE

• Neither PE nor KE

Tags

NGSS.MS-PS3-2

A sprinter running down the track. Potential energy or kinetic energy?

• kinetic energy

• potential energy

• Both PE and KE

• Neither PE nor KE

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is a Joule?

• A unit of work or energy

• A type of force

• A measure of speed

• A unit of distance

Tags

NGSS.MS-PS3-4

Write the formula for calculating Potential Energy.

• PE = mxgxh or mgh

• PE = 1/2 mv^2

• PE = F x D

• PE = ma

Tags

NGSS.MS-PS3-2