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Science > Unit 5 Vocabulary > Flashcards

Unit 5 Vocabulary Flashcards

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Biology 101 flashcards
0
Q

Medium

A

Is the material through which a wave travels.

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1
Q

Wave

A

Is a disturbance that transfers energy from one place to another.

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2
Q

Longitudinal wave

A

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

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3
Q

Transverse wave

A

The springs coils move up and down along the spring.

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4
Q

Mechanical waves

A

Waves that require a medium.

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5
Q

Electromagnetic waves

A

Are disturbances in electric and magnetic fields.

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6
Q

Amplitude

A

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

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7
Q

Wavelength

A

The distance over which the waves shape repeats.

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8
Q

Wave period

A

The time required for one cycle.

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9
Q

Frequency

A

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

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10
Q

Hertz

A

What frequency is measured in.

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11
Q

Wavefronts

A

The peaks can be drawn as shapes such as circles or spheres.

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12
Q

Wave-speed

A

The speed the wave travels.

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13
Q

Radiation

A

Is the transfer of energy as EM waves.

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14
Q

Electromagnetic spectrum

A

The range of frequencies than an EM wave can have.

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15
Q

Infrared

A

IR light has slightly longer wavelengths than red light.

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16
Q

Ultraviolet

A

UV light has slightly shorter wavelengths than violet light.

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17
Q

Transparent

A

Matter that transmits light.

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18
Q

Translucent

A

Materials transmit light but do not let the light travel straight through.

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19
Q

Opaque

A

Materials do not let any light pass through them.

20
Q

Absorption

A

The transfer of light energy to matter.

21
Q

Reflection

A

The bouncing of light off a surface.

22
Q

Refraction

A

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

23
Q

Scattered

A

Occurs when light is sent in many directions as it passes through a medium.

24
Q

Is a disturbance that transfers energy from one place to another.

A

Wave

25
Q

Is the material through which a wave travels.

A

Medium

26
Q

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

A

Longitude wave

27
Q

The springs coils move up and down along the spring.

A

Transverse waves

28
Q

Waves that require a medium.

A

Mechanical waves

29
Q

Are disturbances in electric and magnetic fields.

A

Electromagnetic waves

30
Q

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

A

Altitude

31
Q

The distance over which the waves shape repeats.

A

Wavelength

32
Q

The time required for one cycle.

A

Wave period

33
Q

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

A

Frequency

34
Q

What frequency is measured in.

A

Hertz

35
Q

The peaks can be drawn as shapes such as circles or spheres.

A

Wavefronts

36
Q

The speed the wave travels.

A

Wave-speed

37
Q

Is the transfer of energy as EM waves.

A

Radiation

38
Q

The range of frequencies than an EM wave can have.

A

Electromagnetic spectrum

39
Q

IR light has slightly longer wavelengths than red light.

A

Infarred

40
Q

UV light has slightly shorter wavelengths than violet light.

A

Ultraviolet

41
Q

Matter that transmits light.

A

Transparent

42
Q

Materials transmit light but do not let the light travel straight through.

A

Translucent

43
Q

Materials do not let any light pass through them

A

Opaque

44
Q

The transfer of light energy to matter.

A

Absorption

45
Q

The bouncing of light off a surface.

A

Reflection

46
Q

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

A

Refraction

47
Q

Occurs when light is sent in many directions as it passes through a medium.

A

Scattered

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