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Unit 5 Science > Lesson1-4 > Flashcards

Lesson1-4 Flashcards

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Biology 101 flashcards
0
Q

A disturbance that transfers energy from one place to another

A

Wave

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1
Q

What is a wave?

A

A wave is a disturbance that transfers energy from one place to another.

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2
Q

What is a medium?

A

A medium is the material through which a wave travels.

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3
Q

Is the material through which a wave travels.

A

Medium

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4
Q

What is a longitudinal wave

A

In a longitudinal wave ,particles move back and forth in the same direction that the wave travels or parallel to the wave

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5
Q

Particles move back and forth in the same direction that the wave travels or parallel to the wave

A

Longitudinal wave

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6
Q

What is a transverse wave

A

Particles move perpendicularly to the direction the wave travels.

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7
Q

Particles move perpendicularly to the direction the wave travels.

A

Transverse wave

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8
Q

Mechanical waves

A

Waves that require a medium

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9
Q

Waves that require a medium

A

Mechanical wave

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10
Q

Electromagnetic waves

A

Disturbances in electric and magnetic fields

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11
Q

Disturbances in electric and magnetic fields

A

Electromagnetic waves

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12
Q

Amplitude

A

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

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13
Q

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

A

Amplitude

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14
Q

Wavelength

A

Is the distance over which the waves shape repeats

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15
Q

Is the distance over which the waves shape repeats

A

Wavelength

16
Q

Wave period

A

Is the time required for one cycle

17
Q

Is the time required for one cycle

A

Wavelength

18
Q

Frequency

A

Tells you how many cycles occur in an amount of time

19
Q

Tells you how many cycles occur in an amount of time

A

Frequency

20
Q

Hertz

A

Frequency is measured in

21
Q

Frequency is measured in

A

Hertz

22
Q

Wavefronts

A

Moves farther from the source and it becomes farther

23
Q

Moves farther from the source and it becomes larger

A

Wavefronts

24
Q

Wave speed

A

The speed at which a wave travels and depends on the properties of the medium

25
Q

The speed at which a wave travels and depends on the properties of the medium

A

Wave speed

26
Q

Radiation

A

Is the transfer of energy as em waves

27
Q

Is the transfer of energy as em waves

A

Radiation

28
Q

Electromagnetic (em) spectrum

A

Visible light represents only a very small part of

Unit 5 Science (1 decks)

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