Heat

Question 1

This chart lists four examples of two objects that are in contact.Which statement accurately describes the flow of heat in each example?

Revolt · Accepted Answer

Heat will flow from Object 1 to Object 2 in examples 1, 2, and 4, and heat will flow from Object 2 to Object 1 in Example 3.

Question 2

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?

Question 3

Shelly tells a friend that her computer needs to be fixed because it has been producing a lot of heat and is smoking. Where is the error in her statement?

Revolt · Accepted Answer

Her computer is producing thermal energy, not heat.

Question 4

The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. What can be said about the coils when they are accepting the heat inside the house?

Revolt · Accepted Answer

They must be cooler than the air inside the house.

Question 5

Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?

Revolt · Accepted Answer

the thermal energy moving from the coffee to her tongue

Question 6

Heat is most closely related to which kind of energy?

Revolt · Accepted Answer

thermal

Question 7

What must be true about two objects if heat is flowing between them?

Revolt · Accepted Answer

The objects must be different temperatures.

Question 8

Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?

Question 9

Which factors affect heat transfer between a warm and a cool substance?

Revolt · Accepted Answer

the amount of time of contact, the area of contact, and the specific heats of the substances

Question 10

A burner on a stove produces

Revolt · Accepted Answer

thermal energy.

Heat Answers

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