Pretest

Question 1

Which best describes the relationship between heat, internal energy, and thermal energy?

Revolt · Accepted Answer

Heat is thermal energy that flows, and thermal energy is the part of internal energy that can be transferred.

Question 2

Nya has a cup of hot tea that she lets cool down for several minutes. What effect does cooling have on the tea?

Revolt · Accepted Answer

Its particles have less kinetic energy.

Question 3

Ed records the temperature of two pots of water. The pots are the same size and material. Pot X has a temperature of 56 degrees Fahrenheit, and pot Y has a temperature of 49 degrees Fahrenheit. What conclusion can Ed make about the pots of water?

Revolt · Accepted Answer

The water in pot X has more kinetic energy than the water in pot Y.

Question 4

When the kinetic energy of particles in a substance decreases, what also decreases?

Revolt · Accepted Answer

The substance’s temperature.

Question 5

Question 6

Revolt · Accepted Answer

[Dropdown 1] direct; direct

Question 6

Val warms up some soup on the stove. Assuming no phase change has occurred, what effect does warming have on the soup?

Revolt · Accepted Answer

Its particles have more kinetic energy.

Question 7

When the kinetic energy of particles in a substance decreases, what also decreases?

Revolt · Accepted Answer

The substance’s temperature.

Question 8

What are the units for measuring specific heat?

Revolt · Accepted Answer

joules per gram degree Celsius

Question 9

Val warms up some soup on the stove. Assuming no phase change has occurred, what effect does warming have on the soup?

Revolt · Accepted Answer

Its particles have more kinetic energy.

Pretest Answers

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