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6th Grade Science - Waves > Waves > Flashcards

Waves Flashcards

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1
Q

Mechanical (Transverse and Longitudinal)

A

Sound waves, water waves, seismic

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2
Q

Electromagnetic Waves (Transverse)

A

Radio waves, microwaves, infared waves, ultraviolet waves, light, X-ray, gamma

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3
Q

Types of medium Mechanical waves move through

A

Solids, liquids, gases

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4
Q

Types of medium Transverse waves move through

A

Solid, liquid, gas, empty space/vaccum

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5
Q

Parts of the wave - Transvers

A

Crest & Trough

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6
Q

Parts of the wave - Longitudinal

A

Compression & Rarefaction

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7
Q

Parts of the wave - Transverse

A

Crest, trough

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8
Q

All EM waves are

A

Transverse

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9
Q

Mechanical waves move fastest in ___ and slowest in ___

A

Solids, gases

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10
Q

Electronmagnetic waves move fastest in ____ and slowest in _____

A

empty space, solids

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11
Q

What is being transferred during the movement of a wave?

A

energy

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12
Q

Light wave changes direction due to

A

refraction

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13
Q

Why does the light wave change direction?

A

The object stops the light wave from continuing change of speed.

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14
Q

Describe the relationship[ between amplitude and energy.

A

The larger the amplitude of the wave the more energy.

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15
Q

Describe the relationship between frequency and wavelength.

A

If a wave is longer they have a lower frequency. Wave is shorter, frequency is higher.

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16
Q

Only electromagnetic waves can move through

A

empty space/vacuum

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17
Q

In a transverse wave, a measure of the distance from one trough to the next is the wave’s

A

wavelength

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18
Q

In a _____ wave, particles move parallel to the direction in which the wave travels.

A

longitudinal

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19
Q

In a _____ wave, the disturbance is perpendicular to the direction in which the wave travels,

A

transverse

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20
Q

The distance from one crest to the next crest is a wave’s

A

wavelength

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21
Q

The Sun’s energy can mover through space because it travels as

A

electromagnetic waves

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22
Q

The frequency of a wave is the

A

number of wavelength that pass by a point each second

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23
Q

A longitudinal wave makes particles in a medium

A

move back and forth parallel to wave movement

24
Q

Describe the relationship between amplitude and compressions in a sound wave:

A

Compression is measured in wave lengths from each one. Amplitude is measured from rest or medium to crest or trough

25
Q

Describe the relationship between amplitude and crests in a transverse wave.

A

The amplitude goes from rest to crest, you need a crest or trough to get the amplitude

26
Q

Absorption

A

tinted windows, transfers some energy to the medium it travels through

27
Q

Transmission

A

Light passage through an object. Passage of light through an object. Clear windows

28
Q

Reflection

A

Seeing yourself in window. Bounces wave off surface. Chrome

29
Q

Refraction

A

Changing speed when moving into a new medium

30
Q

Diffraction

A

Spreading out around a barrier

31
Q

Sound Wave

A

Longitudinal, travels only through matter, produced by vibrations.

32
Q

Sound Wave - Wavelength

A

the distance from one point on a wave to the same point on the next

33
Q

Sound Wave - Frequency

A

the number of wavelengths pass by a point each second

34
Q

How does temperature affect the speed a sound wave travels?

A

Sound waves in air travel faster on a warm day than o cold winder day. Inc. Temp Inc. Speed.

35
Q

How does the type of matter affect the speed a sound wave travels?

A

The speed is affected with different types of material, travel faster through denser objects - solids.

36
Q

What is pitch and how is it determined?

A

The perception of how high or low a sound seems. Frequency determines pitch. Inc. Freq Inc. Pitch

37
Q

What is loudness and how is it determined?

A

the human sensation on how much energy a sound wave carries

38
Q

What is the relationship between amplitude and loudness?

A

The higher the amplitude, the louder the sound.

39
Q

How are the groups on the Electromagnetic (EM) Spectrum organized?

A

wavelength

40
Q

Radio

A

less than 0.3m (longest) - Radios & TV

41
Q

Microwaves

A

0.3m - .001m - Cell phones

42
Q

Infrared

A

0.001m-700nm - warming food

43
Q

Light

A

700nm-400nm - Sunburn

44
Q

X-ray

A

10nm - 0.01 nms - s-rays for broken bones

45
Q

Gamma

A

less than 0.01nm (shortest) - medical connections

46
Q

Transparent

A

A material that allows almost all the light to pass through

47
Q

Translucent

A

A material that allows most of the light to pass through

48
Q

Opaque

A

A material that allows no light ot come through

49
Q

Light waves are measured in

A

nanometers

50
Q

Why do you see different colors?

A

Most objects do not give off, or emit, light. Instead they reflect light.

51
Q

In which direction does light travel from its source?

A

A smooth surface reflects light rays traveling in the smae direction at the same angel.

52
Q

What is scattering?

A

Occurs when light traveling in one direction are made to travel in many directions. (Dust particles in the air you see when sunlight shines through a window)

53
Q

How is regular reflection different than diffuse reflection?

A

Regular - a smooth surface - clear pic

Diffuse - rought surface - blurry image

54
Q

Candle (fire): _____ energy to _____ energy

A

chemical; light

55
Q

Flashlight (battery):_____ energy to _____ energy

A

chemical; light

56
Q

The Sun (H & He): _____ energy to _____ energy

A

nuclear; light

57
Q

Light bulb (plugged in):_____ energy to _____ energy

A

electric; light

6th Grade Science - Waves (1 decks)

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