Heat and Energy Test Review

Which of the following is the best conductor of transferring energy as heat?

• plastic

• glass

• steel

• water

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following devices would produce a mechanical to electrical energy transformation?

• radio

• oven

• hairdryer

• windmill

Which device would have an energy transformation from chemical to electrical to sound?

• dishwasher

• solar powered refrigerator

• battery operated radio

• toaster

The air in the room has a mass of 40 kg and a specific heat of 1,000 J/kgC. What is the change in thermal energy of the air when it warms from 30 degrees to 40 degrees?

• 20,000,000 J

• 40,000 J

• 400,000 J

• 1,500,000 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How much thermal energy is required to raise the temperature of 5.0 kg of water (specific heat = 4181 J/kgC) from 40 degrees to 60 degrees?

• 418,100 J

• 20,905 J

• 1,000 J

• 1,235,300 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

0 degrees and 100 degrees are the freezing and boiling points on which scale?

• Fahrenheit

• Kelvin

• Celsius

• Richter

Heat always moves from an object of lower temperature to an object of higher temperature.

• True

• False

A styrofoam cup is a good example of a(n)

• conductor

• insulator

• transistor

• capacitor

Tags

NGSS.MS-PS3-3

The temperature of a substance increases as the

• potential energy of the molecules of the substance increases.

• potential energy of the molecules of the substance remains constant.

• kinetic energy of the molecules of the substance increases.

• kinetic energy of the molecules of the substance decreases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At what point should all molecular motion stop?

• Complete zero

• Absolute zero

• Ultimate zero

• Peak zero

Tags

NGSS.HS-PS3-2