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Emily's class > Chapter 15.1 Physical Science waves > Flashcards

Chapter 15.1 Physical Science waves Flashcards

1
Q

Wave

A

A disturbance that transfers energy from one side to the other without transferring matter.

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2
Q

Mechanical wave

A

A wave that can travel only through matter.

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3
Q

Medium

A

A material in which a wave travels.

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4
Q

Transverse wave

A

a wave in which the disturbance is perpendicular to the direction the wave travels

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5
Q

Crests

A

the highest points on a transverse wave.

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6
Q

Trough

A

The lowest points on a transverse wave

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7
Q

Longitudinal wave

A

makes the particles in a medium move parallel to the direction that the wave travels.

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8
Q

Compressions

A

the regions of a longitudinal wave where the particles in the medium are closest together.

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9
Q

Rarefaction

A

The regions of a longitudinal wave where the particles in the medium are farthest apart.

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10
Q

Electromagnetic wave

A

a wave that can travel through empty space and through matter.

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11
Q

Amplitude

A

the height of a wave. Usually measured from the wave’s resting point to the peak of the wave.

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12
Q

Wavelength

A

the distance between wave peaks: Usually measured from the peak of one wave to the peak of the wave next to it.

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13
Q

Energy

A

It makes things happen! (or more formally: the ability to do work)

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14
Q

Wave peak

A

The highest point on a wave. Also called the crest.

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15
Q

Sound waves

A

Vibrations for air particles that transmit sound. Sound waves are a type of longitudinal wave.

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16
Q

Transverse wave

A

When the disturbance moves perpendicular to the direction of the wave. Put simply: When a wave moves up and down.

17
Q

Define “wave” in your own words?

A

A wave is a disturbance that moves energy but not matter.

18
Q

Distinguish between a transverse wave AND a longitudinal wave.

A

A transverse wave makes the particles in a medium move perpendicular to the wave’s direction. A Longitudinal wave makes the particles in a medium move parallel to the wave’s direction.

19
Q

What causes a wave….
Crest
Rarefaction
Rope
Vibration

A

D. Vibration

20
Q

How are sound waves AND water waves similar?

A

Both are mechanical waves.

21
Q

How are sound waves and water waves different?

A

However, sound waves are longitudinal waves, but water waves are a combination of longitudinal and transverse waves.

22
Q

Describe what happens to a wave shown below when the hand stops vibrating?

A

I think the wave will start separating.

Emily's class (1 decks)

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