Chapter 13

Question 0

The movement of fluids due to density differences caused by temperature variations

Answer 0

Convection

Question 1

When one feels a warm oven, the sensation of warmth is the result of

Answer 1

Energy transfer

Question 2

Temperature is

Answer 2

All of the above

Question 3

The total amount of energy (both usable and unusable) in any process

Answer 3

Remains constant

Question 4

Energy transferred as electromagnetic waves

Answer 4

Radiation

Question 5

The temperature at which all molecular motion stops is

Answer 5

0 degrees K

Question 6

The energy transferred between objects with different temperatures is

Answer 6

Heat

Question 7

What is 37.0 degrees Celsius on the Fahrenheit scale?

Answer 7

98.6 degrees F

Question 8

As the kinetic energy of the molecules in a substance increases, the

Answer 8

Temperature of the substance increases

Question 9

Energy from the sun reaches earth by

Answer 9

Radiation only

Question 10

Condensation causes a _________ effect to the surroundings

Answer 10

Heating

Question 11

Temperature is a measure of the average __________ energy of an objects particles

Answer 11

Kinetic

Question 12

A material that is a poor conductor of energy

Answer 12

Insulator

Question 13

A cold- blooded reptile basks on a warm rock in the sun. It’s body is warmed by

Answer 13

Both (a) and (b)

Question 14

When energy is transformed, the amount of usable energy

Answer 14

Decreases

Question 15

The Fahrenheit temperature scale is defined by which of the following temperatures?

Answer 15

Water boils at 212 degrees and freezes at 32 degrees

Question 16

What is -175 degreesC on the Kelvin scale?

Answer 16

98 K

Question 17

Using the table, determine which substance can absorb the most energy in a temperature increase of 1K

Answer 17

Liquid water

Question 18

Which substance has a specific heat approximately 10 times greater then the specific heat of silver?

Answer 18

Ethanol

Question 19

Suppose a fixed number of joules of energy is added as heat to 1KG of the substances listed below. For which substance will rise in temperature be the least?

Answer 19

Water

Question 20

Which of the following is the name of temperature scale?

Answer 20

All of these

Question 21

Solar panels gather _______ energy from the sun

Answer 21

Radiated

Question 22

Which of the following substance is the best conductor of transferring energy as heat?

Answer 22

Iron

Question 23

A drill bit will get hot after extended use. This is because of

Answer 23

Mechanical heating

Question 24

Which of these is made from an insulating material?

Answer 24

Styrofoam cup

Question 25

Which method of energy transfer does not involve movement of matter

Answer 25

Radiation

Question 26

According to the first law of thermodynamics

Answer 26

The total energy used in any process is conserved

Question 27

A combustion engine uses what kind of energy to do work?

Answer 27

Heat

Question 28

A solar heating system the utilizes an electric fan to move warm air throughout a home is called a _______ system

Answer 28

Active

Question 29

The transfer of energy by the movement of fluids or gases with different temperatures is called

Answer 29

Convection

Question 30

Heat engines use ________ to convert potential chemical energy and internal kinetic energy into mechanical energy

Answer 30

Combustion

Question 31

The transfer of energy caused by the collision of molecules is called

Answer 31

Conduction

Question 32

In an air conditioner,a substance that easily evaporates and condenses is used to transfer energy from a room to the air outside. When the substance evaporates

Answer 32

It absorbs energy as heat from the surrounding air.

Question 33

Convection currents rise in air because

Answer 33

Cool air descends and hot air rises

Question 34

Which of the following statements is true?

Answer 34

Energy as heat flows from a higher temperature to a lower temperature

Question 35

10 KG of a substance underwent a 3 K change in temperature when 11500 J of energy as heat was added to the substance. What is the substance?

Answer 35

Copper

Question 36

Which of the following temperatures is impossible?

Answer 36

-20 K

Question 37

Heat always moves from an object of _______ temperature to an object of _______ temperature

Answer 37

Higher, lower

Question 38

__________ describes how much energy is required to raise an object temperature

Answer 38

Specific heat