Prentice Hall Conceptual Physics Chapters 22 And 24

Front 1

Radiant energy is in the form of ____________ waves.

Back 1

electromagnetic

Front 2

Rising warm air cools because _______.

Back 2

the air molecules slow up as they collide with other molecules moving up.

Front 3

500 J of heat is added to a system that performs 100 J of work. The internal energy of the system is:

Back 3

400 J

Front 4

The First Law of Thermodynamics is most closely related to the:

Back 4

conservation of energy

Front 5

The maximum amount of heat energy that can be converted into mechanical energy is

Back 5

<100%

Front 6

The wavelength of radiant energy emitted by an object is detrermied by

Back 6

its temperature

Front 7

A good absorber of radient energy:

Back 7

reflects very little radiant energy

Front 8

The two concepts require to explain the greenhouse effect are

Back 8

all substances radiate energy and the transparency of substances depends on the wavelength of radiation

Front 9

The direction of spontaneous transfer of heat is always

Back 9

from warmer to cooler objects

Front 10

By which means is heat transferred the fastest

Back 10

radiation

Front 11

The greater the difference in temperature between the input reservior and output reservior for a heat engine the

Back 11

greater the efficency

Front 12

The transfer of heat by the movement of hotter substances is called

Back 12

convection

Front 13

The equalization of temperature between two objects is brought about by

Back 13

conduction, convection, and radiation.

Front 14

Heat is transferred through metal by:

Back 14

conduction

Front 15

materials composed of loose outer electrons are ______ conductors of heat and electricity

Back 15

great

Front 16

Heat transferred from one molecture to another molecule

Back 16

conduction

Front 17

__________ currents cause winds.

Back 17

convection

Front 18

All objects continually emit _____________ energy in a mixture of wavelengths

Back 18

radiant

Front 19

good absorbers are ______ (good/bad) emitters

Back 19

good

Front 20

The coldest limit is _______ C and _______ K

Back 20

-273 C, 0 K

Front 21

First Law of Thermodynamics:
Whenever heat is added to a system it transforms to an ________ amount of some other form of ___________

Back 21

equal, energy

Front 22

Heat will never flow from a __________ object to a ________ object

Back 22

cold, hot