Heat

Question 1

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

Revolt · Accepted Answer

The objects must be different temperatures.

Question 2

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 3

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 4

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?

Revolt · Accepted Answer

Thermal energy in the form of heat moved from the fire to the skewer and marshmallow.

Question 5

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 6

Heat is most closely related to which kind of energy?

Revolt · Accepted Answer

thermal

Question 7

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?

Revolt · Accepted Answer

from the cup to the hand

Question 8

Which substance has the most thermal energy and will have the most heat flow from it?

Revolt · Accepted Answer

a nuclear reactor core (1000°C)

Question 9

A burner on a stove produces

Revolt · Accepted Answer

thermal energy.

Question 10

Which direction does heat flow from?

Revolt · Accepted Answer

hot to cold

Heat Answers

More from this Course

TRY EDGENUITY HACKS