Ch 14 L3 quiz

Question 1

.
A measure of how hot or cold something is; specifically a measure of the average kinetic energy of the particles in an object.

Answer 1

Temperature

Question 2

An instrument that measure and indicates temperature.

Answer 2

thermometer

Question 3

The temperature at which molecular energy is at a minimum (0 K on the Kelvin scale or -273.16 C) on the Celsius scale.

Answer 3

Absolute zero

Question 4

The energy transferred between objects that are at different temperatures.

Answer 4

Heat

Question 5

The energy of transfer as heat through a material

Answer 5

thermal Conduction

Question 6

The movement of matter due to differences in density that are caused by temperature variation.

Answer 6

Convection

Question 7

The vertical movement of air currents due to temperature variations.

Answer 7

convection currents

Question 8

The quantity of heat required to raise a unit mass of homogeneous material 1 K or 1 C in a specified way given constant pressure and volume.

Answer 8

specific heat

Question 9

A material used to cool an area or an object to a temperature that is lower than the temperature of the environment.

Answer 9

Refrigerator

Question 10

A machine that transforms heat into mechanical energy or work.

Answer 10

Heat engine

Question 11

AT in specific problems means

Answer 11

TF-TI

Question 12

Specific heat equation

Answer 12

E= cMAT

Question 13

Units for specific heat

Answer 13

J/KG × K

Question 14

t = (Tf - 32) / 1.8

Answer 14

Celcius equation

Question 15

On the Kelvin scale water boils at

Answer 15

375

Question 16

Water freezes at ______ on the Celsius scale?

Answer 16

0

Question 17

What is normal human body temperature on the Fahrenheit scale?

Answer 17

98.6

Question 18

Temperature is the measure of

Answer 18

average kinetic energy of molecules in a substance

Question 19

A slower particle has a lower energy than an identical, faster particle. True or false

Answer 19

True

Question 20

It is possible to reach absolute zero

Answer 20

False

Question 21

When thermal energy is added to a substance, the substance’s particles move:

Answer 21

More rapidly at an increased diestance from each other.

Question 22

Heat transfer by conduction occurs when…

Answer 22

particles bump into each other

Question 23

Heat transfer by convection occurs when

Answer 23

large numbers of atoms move from place to place

Question 24

Heat travels from the sun to the earth by the process of.

Answer 24

Radiation

Question 25

A substance with a high specific heat:

Answer 25

Requires a lot of energy to become hot.

Question 26

Thermal energy always moves:

Answer 26

From a high temperature object to a lower temperature object.

Question 27

Energy cannot be greater nor destroyed only transferred as work, heat, or both

Answer 27

1st law of thermodynamics

Question 28

Heat always moves from an area of lower temp to an area of higher temp

Answer 28

2nd law of thermodynamics

Question 29

does not resist energy transfer

Answer 29

insulator

Question 30

Absorbing energy

Answer 30

evaporation(liquid-gas)
melting(solid-liquid)
sublimation(solid-gas No liquid phase)

Question 31

Releasing energy

Answer 31

condesation( gas-liquid)
freezing(liquid-solid)
deposition(gas-solid no liquid phase)

Question 32

how much energy does it take to higher the temp of a substance

Answer 32

specific ( physical property of matter)