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Science > Waves > Flashcards

Waves Flashcards

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1
Q

Wave

A

a disturbance that transfers energy from place to place

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2
Q

Energy

A

ability to do work

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3
Q

Medium

A

material a wave travels through - can be solid, liquid, or gas

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4
Q

Does a medium move with a wave

A

no, the particles vibrate while the waves go through

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5
Q

All waves need

A

energy

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6
Q

Mechanical wave

A

wave that travels through a medium

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7
Q

Electromagnetic wave

A

wave that travels through a VACUUM
(empty space)

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8
Q

Transverse wave

A

wave that move up/down

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9
Q

Top part of a transverse wave

A

crest

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10
Q

Bottom part of a transverse wave

A

trough

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11
Q

Longitude wave

A

wave that moves like a spring cursive L

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12
Q

Rarefaction (longitudinal wave)

A

spread out spring wave

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13
Q

Compression (longitudinal wave)

A

coiled up spring wave

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14
Q

Amplitude definition

A

amount of energy from resting position

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15
Q

Amplitude measuring in transverse wave

A

crest to crest or trough to trough (crest to resting position)

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16
Q

Amplitude measuring in longitudinal wave

A

of compression waves

17
Q

Wavelength definition

A

distance between 2 parts of the wave

18
Q

Wavelength measuring in transverse wave

A

crest to crest or trough to trough

19
Q

Wavelength measuring in longitudinal wave

A

distance between two compressions

20
Q

Frequency definition

A

of waves that pass a point at a given time

21
Q

Frequency measured in

A

Hertz

22
Q

Speed

A

how fast a wave travels

23
Q

Speed equation

A

speed = wavelength (frequency)

24
Q

Reflection

A

wave bounces off an object

25
Q

Law of reflection

A

angle of incidence = angle of reflection

26
Q

Refraction

A

wave changes speed due to change in medium

27
Q

Refraction only occurs

A

when wave enters new medium at an angle

28
Q

Rainbows explanation

A

raindrops in the air & light passes through it different angle and spreads out the ROYGBIV colors

29
Q

Diffraction

A

waves move around or through a barrier

30
Q

Constructive interference

A

2 waves combined and increase the amplitude

31
Q

Destructive interference

A

2 waves combined to decrease the amplitude

32
Q

Seismic waves

A

p waves (longitudinal waves) + s waves (transverse waves)+surface waves to cause destruction

Science (11 decks)

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