Conduction

Question 1

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

B: They must be cooler than the air inside the house.

Question 2

Isaac wants to make s'mores. He holds a marshmallow on a metal skewer over a fire. A few seconds later, the marshmallow is cooked and the skewer feels warm. What most likely happened?

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

D: Her computer is producing thermal energy, not heat.

Question 4

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

Revolt · Accepted Answer

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

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

A: the thermal energy moving from the coffee to her tongue

Question 6

Which refers to the amount of heat required to change the temperature of 1 gram of a substance by 1°C and is related to the chemical composition of the substance?

Question 7

Heat is most closely related to which kind of energy?

Revolt · Accepted Answer

C: thermal

Question 8

Mintu wants to increase the heat transfer between a metal iron and another piece of metal he wants to shape. He decides to increase the time the two metals are in contact, use a larger metal iron, and use a new metal material with a higher specific heat.

Revolt · Accepted Answer

C: Mintu should have chosen a material with a lower specific heat.

Question 9

A burner on a stove produces

Revolt · Accepted Answer

B: thermal energy.

Question 10

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

D: 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.

Conduction Answers

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