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Advanced Science Vocab > Unit 5 > Flashcards

Unit 5 Flashcards

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0
Q

Medium

A

A medium is the material through which a wave travels.

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1
Q

A disturbance that transfers energy from one place to another.

A

Wave

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2
Q

Longitudinal wave

A

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

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3
Q

Transverse wave

A

In this wave particles move perpendicularly to the direction the wave travels.

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4
Q

A material through which a wave travels.

A

Medium.

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5
Q

Mechanical wave

A

Mechanical waves are waves that need a medium to travel.

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6
Q

In what wave do particles move back in forth or parallel to the wave?

A

A longitudinal wave.

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7
Q

Electromagnetic wave

A

They are in disturbances of electric fields and also considered a transverse wave.

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8
Q

In what wave do the particles move perpendicularly to the direction the wave is moving?

A

A transverse wave.

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9
Q

Which wave causes disturbances to magnetic fields and also considered a transverse wave?

A

Electromagnetic waves.

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10
Q

What type of wave needs a medium to travel?

A

A mechanical wave.

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11
Q

What is amplitude?

A

An amplitude measures how far particles move from their original point in the medium.

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12
Q

Wave

A

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

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13
Q

What measures how far particles have moved from their original spot in the medium.

A

The amplitude.

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14
Q

What is wavelength?

A

Wavelength is the distance over which the waves shapes repeat.

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15
Q

What measures the distance in which the waves shapes repeat?

A

The wavelength.

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16
Q

What is a wave period?

A

Wave period is the time it takes to complete a cycle.

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17
Q

What measures the time it takes for a cycle to complete itself.

A

Wave period.

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18
Q

What is frequency?

A

Tells you how many cycles occur in one amount of time.

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19
Q

What tells you how many cycles occur in an amount of time?

A

Frequency.

20
Q

What is the measures of hertz?

A

One hertz is equal to one cycle per second.

21
Q

What is equal to one cycle per second?

A

One hertz.

22
Q

What is a wavefront?

A

Peaks of the wave.

23
Q

What are peaks of the wave called?

A

A wavefront.

24
Q

What measures the speed of the wave?

A

Wave speed.

26
Q

What is wave speed?

A

The speed in which the wave travels.

27
Q

What is radiation?

A

Radiation is the transfer of the EM waves.

28
Q

What is the transfer of EM waves?

A

Radiation.

29
Q

What is an electromagnetic spectrum?

A

The frequencies or wavelengths of EM waves.

30
Q

What measures the frequencies or wavelength of EM waves?

A

The electromagnetic spectrum.

31
Q

What does infrared mean?

A

That it has slightly longer wavelengths then red lights.

32
Q

What has slightly longer wavelengths then red lights?

A

Infrared waves.

33
Q

What does ultraviolet mean?

A

Ultraviolet light has slightly shorter wave lengths than violet light.

34
Q

What has slightly shorter wavelengths the violet light?

A

Ultraviolet waves.

35
Q

What does transparent mean?

A

Matter that transmits light is transparent.

36
Q

What does it mean when matter can transmit light?

A

It means that the matter is transparent.

37
Q

What does translucent mean?

A

Translucent materials transmit light, but do not let light travel straight through.

38
Q

What does it mean if matter transmits light but does not let light travel straight through?

A

It means that the matter is translucent.

39
Q

What does opaque mean?

A

It means that if a material is opaque it does not let any light through.

40
Q

What does it mean if an object doesn’t let any light through?

A

It means that the material is opaque.

41
Q

What does absorption mean?

A

It is the transfer of light-energy to matter.

42
Q

What is it called if light-energy is transferred into matter?

A

It is called absorption.

43
Q

What’s a reflection?

A

A reflection is light bouncing off of a surface.

44
Q

What is it when light bounces off a surface?

A

A reflection.

45
Q

What is a refraction?

A

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

46
Q

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

A

A refraction.

47
Q

What does it mean when something is scattering?

A

It is when light is sent in many different directions through a medium.

48
Q

What is it called when light is sent many different directions as it passes through a medium?

A

It’s called scattering.

Advanced Science Vocab (1 decks)

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