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Science > Unit 5 vocabulary: Waves and Light > Flashcards

Unit 5 vocabulary: Waves and Light Flashcards

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0
Q

a wave in which particles move perpendicularly to the direction the wave travels

A

transverse wave

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1
Q

wave

A

a disturbance that transfers energy from one place to another

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2
Q

transverse wave

A

a wave in which particles move perpendicularly to the direction the wave travels

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3
Q

medium

A

the material through which a wave travels

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4
Q

a wave in which particles move back and forth parallel to the wave

A

longitudinal wave

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5
Q

wave period

A

how much time a wave takes to repeat

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6
Q

the material through which a wave travels

A

medium

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7
Q

electromagnetic wave

A

a disturbance in electric and magnetic fields

considered transverse waves

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8
Q

a disturbance in electric and magnetic fields

considered a transverse wave

A

electromagnetic wave

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9
Q

longitudinal wave

A

a wave in which particles move back and forth parallel to the wave

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10
Q

how much time a wave takes to repeat

A

wave period

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11
Q

measure of how far particles in the medium move from their normal rest position

A

amplitude

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12
Q

a wave that requires a medium

A

mechanical wave

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13
Q

a disturbance that transfers energy from one place to another

A

wave

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14
Q

wavelength

A

distance over which the wave’s shape repeats

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15
Q

amplitude

A

measure of how far particles in the medium move from their normal rest position

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16
Q

distance over which the wave’s shape repeats

A

wavelength

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17
Q

how many cycles occur in a given amount of time

A

frequency

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18
Q

mechanical wave

A

a wave that requires a medium

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19
Q

frequency

A

how many cycles occur in a given amount of time

20
Q

a measure of frequency

A

hertz

21
Q

symbolic representation of a peak

A

wavefront

22
Q

speed at which a wave travels

A

wave speed

23
Q

the transfer of energy as EM waves

A

radiation

24
Q

wavefront

A

symbolic representation of a peak

25
Q

an EM wave with slightly longer wavelengths than red light

A

infrared

26
Q

radiation

A

the transfer of energy as EM waves

27
Q

the range of frequencies an EM wave can have

A

electromagnetic spectrum

28
Q

electromagnetic spectrum

A

the range of frequencies an EM wave can have

30
Q

wave speed

A

speed at which a wave travels

31
Q

infrared

A

an EM wave with slightly longer wavelengths than red light

32
Q

refraction

A

the change in direction of a wave as it passes from one medium into another at an angle

33
Q

materials transmit light but don’t let the light travel straight through

A

translucent

35
Q

ultraviolet

A

an EM wave with slightly shorter wavelengths than violet light

36
Q

the transfer of light energy to matter

A

absorbtion

37
Q

opaque

A

materials don’t let any light pass through and instead reflect it

38
Q

translucent

A

materials transmit light but don’t let the light travel straight through

38
Q

ocurrs when light is sent in many directions as it passes through a medium

A

scattering

40
Q

hertz

A

a measure of frequency

41
Q

transparent

A

matter that transmits light

43
Q

matter that transmits light

A

transparent

44
Q

the change in direction of a wave as it passes from one medium into another at an angle

A

refraction

45
Q

scattering

A

ocurrs when light is sent in many directions as it passes through a medium

46
Q

materials don’t let any light pass through and instead reflect it

A

opaque

47
Q

an EM wave with slightly shorter wavelengths than violet light

A

ultraviolet

49
Q

when light bounces off a surface

A

reflection

49
Q

reflection

A

when light bounces off a surface

49
Q

absorbtion

A

the transfer of light energy to matter

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