Heat Transfer

Question 1

Question 1

Revolt · Accepted Answer

96060

Question 2

electromagnetic wavesthe movement of molecules✔ the movement of a fluid

Revolt · Accepted Answer

the movement of a fluid

Question 3

✔ electromagnetic wavesthe movement of moleculesthe movement of a fluid

Revolt · Accepted Answer

electromagnetic waves

Question 4

electromagnetic waves✔ the movement of moleculesthe movement of a fluid

Revolt · Accepted Answer

the movement of molecules; Selection 1: the movement of molecules; Selection 2: the movement of a fluid; Selection 3: electromagnetic waves

Question 5

Which statement best compares conduction, convection, and radiation?

Revolt · Accepted Answer

Convection and conduction transfer thermal energy through matter only, and radiation transfers thermal energy through both matter and empty space.

Question 6

What property of matter causes convection currents?

Revolt · Accepted Answer

density

Question 7

When an ice pack is applied to an injury, thermal energy from the injured area transfers to the ice, causing the blood vessels within the area to constrict, which reduces the swelling.

Revolt · Accepted Answer

conduction

Question 8

Identify the method of thermal energy transfer at work in hot air balloons. Explain how thermal energy is transferred in this scenario.

Revolt · Accepted Answer

The method of thermal energy transfer at work in hot air balloons is convection. The air inside the balloon is heated, causing the molecules to move faster and spread out. This makes the hot air less dense than the cooler air surrounding it, which causes the hot air to rise and lift the balloon.

Question 9

Identify the method of thermal energy transfer. A: B: C:

Revolt · Accepted Answer

radiation; Selection 1: radiation; Selection 2: convection; Selection 3: conduction

Question 10

conduction✔ convectionradiation

Revolt · Accepted Answer

convection

Heat Transfer Answers

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