Unit 2 Heat and Energy Exam Review

Which type of heat transfer involves the movement of fluids such as liquids or gases?

• conduction

• convection

• radiation

• insulation

Tags

NGSS.MS-ESS2-6

Which material is a good conductor of heat?

• wood

• copper

• rubber

• styrofoam

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What does specific heat tell you about the substance?

• the amount of energy it can absorb before increasing the temperature

• the amount of energy it can withstand before changing its state of matter

• the amount of time it takes for the substance to change the temperature

• the amount of time it takes for the substance to reach the specific temperature

Which of the following materials is a good insulator?

• copper

• wood

• steel

• silver

Tags

NGSS.MS-PS3-3

What is the formula for ΔT?

• T_f - T_i

• T_i - T_f

• T_i + T_f

• T_f x T_i

How much heat is needed to raise the temperature of 50 g of iron by 15°C?

• 333 J

• 33.3 J

• 33300 J

• 3330 J

How does heat flow?

• Always from cold to hot

• Always from hot to cold

• Either way works

• It depends on the temperature

Tags

NGSS.HS-PS3-4

What unit do you use to measure Energy?

• g

• ºC

• J

Tags

NGSS.HS-PS3-4

A high specific heat means...

• It requires less energy to change temperature
• It requires more energy to change temperature
• It heats up very quickly
• It cools down very quickly

What type of heat transfer can occur through a vacuum?

• conduction

• radiation

• convection

• insulation

Tags

NGSS.HS-PS4-3