Electromagnetic Spectrum/Waves Flashcards

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1
Q

Which colors of visible light have the highest frequency?

A

VIOLET

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2
Q

What is white light?

What is diffraction?

A

WHITE LIGHT IS ALL THE FREQUENCIES OF ROYGBIV TOGETHER. DIFFRACTION BREAKS UP ROYGBIV INTO ITS FREQUENCIES

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3
Q

If I were planning a trip to the zoo and was going to be walking around in the sun all day… should I wear a black or white t-shirt? WHY? ?

A

WHITE SHIRT – IT REFLECTS ALL FREQUENCIES OF LIGHT. (BLACK – ABSORBS ALL FREQUENCIES OF LIGHT)

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4
Q

Apples appear red because they ________ red light frequencies??

A

REFLECTS

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5
Q

What property of a wave accounts for the colors we see?

A

THE WAVES FREQUENCY

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6
Q

Which part of the electromagnetic spectrum has the highest frequency?

A

GAMMA RAYS

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7
Q

Which part of the electromagnetic spectrum has the longest wavelengths? How large can they be?

A

RADIO – AS LONG AS A FOOTBALL FIELD

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8
Q

Cell phones use what type of waves from the EM spectrum?

A

MICROWAVES

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9
Q

Some animals can detect their prey by using thermal radiation or body heat? Which part of the EM spectrum is this?

A

INFRARED

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10
Q

List the EM spectrum in order starting with the highest frequencies moving to the lowest.

A

GAMMA, X-RAY, ULTRAVIOLET, VISUAL LIGHT, INFRARED LIGHT, MICROWAVES, RADIO WAVES

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11
Q

What do ALL waves transfer?

A

ENERGY

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12
Q

The amplitude of a wave shows how much ________ a wave is carrying?

A

ENERGY

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13
Q

What is the property that is the highest part of a wave?

What is the property that is the lowest part of a wave?

A

CREST, TROUGH

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14
Q

What is the relationship between wavelength and frequency?

A

LONGER WAVELENGTH = LOWER FREQUENCY, SHORTER WAVELENGTH = HIGHER FREQUENCY

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15
Q

If you found an unknown wave how could you identify what kind of wave it is? Name 3 things you could do!

A

MEASURE WAVELENGTH, MEASURE FREQUENCY, MEASURE AMPLITUDE

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16
Q

What does the word Perpendicular Mean and how does it relate to waves?

A

CREATES A RIGHT ANGLE OR 90 DEGREE ANGLE – THE WAVE MOVES IN A PERPENDICULAR MOTION OF THE DISTURBANCE. (TRANSVERSE)

17
Q

What does the word parallel mean and how does that relate to waves?

A

TWO LINES THAT WILL NEVER CROSS – THE WAVE MOVES IN A PARALLEL MOTION OF THE DISTURBANCE. (LONGITUDINAL)

18
Q

Snapping a rope is an example of what time of wave??

A

TRANSVERSE

19
Q

A slinky is an example of what type of wave??

A

LONGITUDINAL

20
Q

What type of waves can travel through empty space? EXPLAIN!

A

LIGHT WAVES – SUNLIGHT CAN TRAVEL THROUGH THE EMPTY SPACE OF THE UNIVERSE AND MAKE ITS WAY TO EARTH

21
Q

On the blank sheet of paper, draw the diagram of the eye and label it using all the 7 parts that we learned yesterday!

A

CORNEA, IRIS, LENS, OPTIC NERVE, PUPIL, RETINA, VITREOUS