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Study > Science Waves > Flashcards

Science Waves Flashcards

1
Q

What is a wave

A

A repeating disturbance or vibration

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2
Q

The material through which a wave travels is called a(n)

A

Medium

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3
Q

What can act as mediums

A

Solids, liquids, gasses

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4
Q

Waves that require a medium through which to travel are called

A

Mechanical Waves

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5
Q

When waves travel through a medium, they carry the medium with them; True or False?

A

False

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6
Q

What happens to a duck on the surface of a pond when a wave passes under it, Explain?

A

The duck stays in them same spot. Waves travel transfer energy, not matter.

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7
Q

Give an example of a wave that can travel through empty space

A

Electromagnetic wave

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8
Q

How are waves classified

A

Transverse & longitudinal

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9
Q

Wave the are PERPENDICULAR to the direction in which the waves are traveling are called

A

Transverse waves

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10
Q

Suppose you move the free end of a rope up and down to create a wave. In that case, the rope is a medium. What is the relationship between the movement of the wave and the movement of the particles of the medium

A

The particles are moving perpendicular to the wave’s motion

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11
Q

The highest part of a transverse wave is called

A

Crest

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12
Q

Lowest part of a transverse wave is called

A

Trough

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13
Q

What type of waves move the particles of the medium PARALLEL to the direction in which the wave are traveling

A

Longitudinal

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14
Q

In longitudinal waves in a spring, the parts where the coils are close together are called

A

Compression

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15
Q

In longitudinal waves a spring, the parts where the coils are spread out are called

A

Rarefaction

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16
Q

The maximum distance the particles of the medium carrying a wave move away from their rest position is called the wave’s

A

Amplitude

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17
Q

The amplitude of a wave is a direct measure of the wave’s

A

energy

18
Q

The distance between two corresponding parts of a wave is its

A

wavelength

19
Q

The number of complete waves that pass a given point in a certain amount of time is called the wave’s

A

Frequency

20
Q

If you make a wave in a rope so that one wave passes every second, what is its frequency

A

1 wave per second

21
Q

What unit of measurement is used for frequency

A

Hertz

22
Q

The speed of a wave is how far the wave travels in one unit of

A

Time

23
Q

The bouncing back of a wave when it hits a surface through which it cannot pass is called

A

Reflection

24
Q

Give an example of reflection

A

Mirror/glass

25
Q

Only transverse waves obey the law of reflection, True or False

A

False

26
Q

What happens when a wave moves from one medium to another medium at an angle, (must refer to speed)

A

The wave may speed up or slow down. When entering a second medium causing it to bend

27
Q

The bending of waves as they enter a different medium is called

A

Refraction

28
Q

All waves change speed when they enter a new medium, but they do not always bend. When does bending occur

A

When one side of the wave enters the new medium before the other side of the wave

29
Q

The bending of a wave entering a new medium occurs because the two sides of the wave are traveling at different

A

Speeds

30
Q

What happens when a wave passes a barrier or moves through a hole in a barrier

A

It bends and spread out

31
Q

The bending of waves around the edge if a barrier is known as

A

Diffraction

32
Q

When two waves meet, they have an effect of each other. This interaction is called

A

Interference

33
Q

When does constructive interference occure

A

A crest interferes with another crest producing a larger amplitude

34
Q

When the amplitudes of two waves combine with each other to produce a smaller amplitude is called

A

Destructive

35
Q

What is a standing wave

A

Two waves of identical frequency interfere with one another while traveling in opposite directions along the same medium

36
Q

___ Refraction
___ Diffraction
___Constructive Interference
___Destructive Interference
___Reflection

a. When two waves combine to make a wave with a smaller amplitude
b. When a wave bends as it moves from deep water to shallow water
c. When two waves combine to make a wave with a larger amplitude
d. When a wave bounces back from a barrier at the same angle it hits
e. When waves bend or spread out around or behind an obstacle

A

b
e
c
a
d

37
Q

Order of electromagnetic spectrum

A

Radio waves, Infrared, Visible Light, UV, X-rays, Gamma Rays

38
Q

The color of an object is the color of the light it

A

Reflects

39
Q

What color do you see when white light strikes a material that reflects all the colors, such as a skunk’s stripe

A

White

40
Q

What color do you see when white light strikes a material that absorbs all the colors, such as a skunk’s body

A

Black

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