Chapter 14 test cards

Question 1

What is combustion?

Answer 1

The burning of fuel

Question 2

What energy transformation takes place in heat engines?

Answer 2

Thermal energy to mechanical energy

Question 3

Where is fuel burned in an external combustion engine?

Answer 3

Outside the engine

Question 4

What is the most common type of external combustion engine?

Answer 4

Steam engine

Question 5

What is a refrigerator?

Answer 5

A device that transfers thermal energy from inside the refrigerator to outside the room

Question 6

True or false?
Air conditioners cool air in the same way that a refrigerator cools food.

Answer 6

True

Question 7

List the three types of temperature scales and give the ranges of temperature

Answer 7

Fahrenheit, Celsius, and Kelvin.
Fahrenheit: 32-212 degrees
Celsius: 0-100 degrees
Kelvin: 273-373 kelvins

Question 8

List the 3 types of heat transfers

Answer 8

Radiation, conduction, convection

Question 9

Give an example of each heat transfers

Answer 9

Radiation: Melting ice cream
Conduction: burning your hand
Convection: Pot of soup

Question 10

True or false?
Liquids have a definite shape and volume

Answer 10

False

Question 11

What is the change from solid to liquid called?

Answer 11

Melting

Question 12

What is the temperature at which a solid changes to a liquid called?

Answer 12

Melting point

Question 13

When vaporization occurs below the surface of a liquid what is it called?

Answer 13

Boiling

Question 14

When vaporization occurs at the surface of a liquid what is is called?

Answer 14

Evaporation

Question 15

When gas loses enough thermal energy what happens?

Answer 15

It changes into a liquid

Question 16

What is the change from a gas to a liquid called?

Answer 16

Condensation

Question 17

True or false?
As the thermal energy of matter increases, its particles spread out and the substance expands.

Answer 17

True

Question 18

What is convection?

Answer 18

The transfer of heat within a fluid.

Question 19

How is does convection take place?

Answer 19

Through the movement of currents

Question 20

How does radiation take place?

Answer 20

Through electromagnetic waves

Question 21

What direction does heat move?

Answer 21

Warmer to cooler

Question 22

What is an insulator?

Answer 22

A material that does not conduct heat well

Question 23

Conductor or insulator?
Wood

Answer 23

Insulator

Question 24

Conductor or insulator?
Stainless steel

Answer 24

Conductor

Question 25

Conductor or insulator?
Straw

Answer 25

Insulator

Question 26

Conductor or insulator?
Cork

Answer 26

Insulator

Question 27

Conductor or insulator?
Silver

Answer 27

Conductor

Question 28

Conductor or insulator?
Wool

Answer 28

Insulator

Question 29

Conductor or insulator?
Paper

Answer 29

Insulator

Question 30

Conductor or insulator?
Graphite

Answer 30

Condutor

Question 31

Conductor or insulator?
Aluminum

Answer 31

Conductor

Question 32

Conductor or insulator?
Gases

Answer 32

Insulator

Question 33

What is temperature?

Answer 33

The measure of the average kinetic energy of the individual particles in an object

Question 34

What is the most common temperature scale used in the United States?

Answer 34

Fahrenheit

Question 35

What is the most common temperature scale used throughout the world?

Answer 35

Celsius

Question 36

What is heat?

Answer 36

Thermal energy moving from a warmer object to a cooler object.

Question 37

What is the lowest temperature possible?

Answer 37

-273 degrees Celsius

Question 38

What is the lowest temperature possible called?

Answer 38

Absolute zero

Question 39

What is amount of energy needed to raise the temperature of 1 kilogram of a substance by one kelvin is called what?

Answer 39

Specific heat