Pretest

Question 1

A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?

Revolt · Accepted Answer

The kinetic energy of the water molecules decreases.

Question 2

A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to rise?

Revolt · Accepted Answer

The molecules in the thermometer’s liquid spread apart.

Question 3

Barbara is converting 78 times degree F to degrees Celsius. First, she subtracts 32 from 78 What is the next step?

Revolt · Accepted Answer

multiply 46 by 5 ninths

Question 4

Which shows the potential energy of particles in three substances, from least to greatest?

Revolt · Accepted Answer

solid, liquid, gas

Question 5

Which best describes thermal energy?

Revolt · Accepted Answer

It is the portion of internal energy that can be transferred from one substance to another.

Question 6

Juan measured the temperature of salt water. He then added 273 temperature units to the measured temperature value. Which temperature conversion is Juan most likely doing?

Revolt · Accepted Answer

degrees Celsius to kelvins

Question 7

Which is equal to a temperature of 50°F ?

Revolt · Accepted Answer

10 times degree C

Question 8

What happens when heat is removed from water?

Revolt · Accepted Answer

The kinetic energy of the water particles decreases.

Question 9

Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?

Revolt · Accepted Answer

internal

Question 10

What is the temperature, in degrees Celsius, of a substance with a temperature of 49 cap k ?

Revolt · Accepted Answer

negative 224 times degree C

Pretest Answers

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