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Science - unit 5. > other forms of energy > Flashcards

other forms of energy Flashcards

1
Q

the smallest part of an element that has characteristics of elements is called what?

A

atoms

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2
Q

the energy of atoms is called what?

A

atomic energy

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3
Q

energy possessed by a substance by virtue of its physical properties is called what?

A

chemical energy

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4
Q

transmission of heat by the transferring of energy from one particle to another is called what?

A

conduction

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5
Q

the transfer of heat by the motion of particles of gas or fluid is called what?

A

convection

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6
Q

a “thermos” bottle is called what?

A

dewar flask

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7
Q

the resistance to motion between two objects in contact is the definition of what?

A

Friction

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8
Q

the state of matter in which the molecules are far apart due to the lack of chemical bonds is called what?

A

gas

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9
Q

process or substance used to regulate the movement of heat is the definition of what?

A

insulation

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10
Q

something that hinders the passage of heat, electricity, or sound is called what?

A

an insulator

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11
Q

a state of matter in which molecules touch but still free to flow due to weak chemical bonds is called what?

A

liquid

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12
Q

the process of energy carried from one object to another without physical contact is called what?

A

radiation

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13
Q

is heat a form of kinetic energy?

A

yes

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14
Q

how is heat transferred?

A

by conduction, convention, radiation

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15
Q

what is produced when work is done and friction occurs?

A

heat

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16
Q

how does conduction transfer heat?

A

by the collision of molecules

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17
Q

heat energy is transferred in fluids by what?

A

convection

18
Q

are liquids and gases fluids?

A

yes

19
Q

what is it called when heat is radiated?

A

heat waves

20
Q

friction is produced when work is done. true or false?

A

true

21
Q

an indirect (related) measurement of the speed of molecules is made with a(n) ____________.

A

thermometer

22
Q

heat waves traveling at the speed of light are called ________.
convection
motion
conduction
radiation

A

radiation

23
Q

which items are true concerning a typical “thermos bottle”?
radiation is hindered by the silver coatings
the silver coatings stop convection losses
conduction losses are prevented by the vacuum
convection is not possible because of the vacuum
the glass walls will not conduct heat

A

radiation is hindered by the silver coatings

conduction losses are prevented by the vacuum

convection is not possible because of the vacuum

24
Q

heat is transferred throughout the atmosphere primarily by __________.
conduction
convection
motion
radiation

A

convection

25
Q

friction always produces heat. true or false?

A

true

26
Q

the earth’s surface transfers heat to the atmosphere primarily by _________.
motion
convection
conduction
radiation

A

radiation

27
Q

as the speed of vibration of molecules increases, what property of the substance increases?
temperature
energy
heat
all of the above

A

all of the above

28
Q

the sun’s energy reaches the earth by _________.
radiation
convection
conduction
fusion

A

radiation

29
Q

the primary method by which one object transfers energy to another distant object is _______.
conduction
convection
radiation
none of these

A

radiation

30
Q

products which transfer heat quickly are:
poor conductors
good conductors
good insulators
poor insulators

A

good conductors

poor insulators

31
Q

the transfer of heat through a solid is accomplished by _______.
conduction
convection
radiation
all the above

A

conduction

32
Q

the transfer of heat through the motion of a fluid or gas is accomplished by _______.
conduction
convection
radiation
all the above

A

convection

33
Q

radiant heat cannot travel through a vacuum. true or false?

A

false

34
Q

double-paned window glass is used in some homes because _______.
glass is a good conductor
glass is a good insulator
air is a good conductor
air is a good insulator

A

air is a good insulator

35
Q

the amount of molecular vibration is directly related to the measurement of ________.
speed
heat
motion
temperature

A

temperature

36
Q

whenever energy is transformed from one form to another, and friction occurs, some of that energy is lost by being changed into _________.
electricity
sound
vibrations
heat

A

heat

37
Q

conduction does not work well in metals. true or false?

A

false

38
Q

what can you expect as an object is heated?
the molecules will slow down
the molecules will move faster

A

the molecules will move faster

39
Q

the energy due to motion of molecules within a mass is called _______.
potential
vibrational
heat
kinetic

A

heat

40
Q

the primary method by which two connected objects transfer heat to one another is _________.
conduction
convection
radiation
all of the above

A

conduction

Science - unit 5. (6 decks)

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