Earth's Energy Budget — Unit test Answers

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3

Ingrid says that a red ball of clay appears red because the clay reflects red wavelengths. Simon says that the clay appears red because it allows red wavelengths to pass through it.Which statement best explains who is correct?

A
Ingrid is correct. The clay appears red because it reflects red wavelengths.
B
Ingrid is correct. The clay appears red because it is a type of matter.
C
Simon is correct. The clay appears red because it allows red wavelengths to pass through it.
D
Simon is correct. The clay appears red because it is a solid.
5

Which process would correctly calculate the frequency of a wave?

A
dividing speed by wavelength
B
dividing frequency by wavelength
C
multiplying frequency by period
D
dividing wavelength by period
6

Yolanda is studying two waves. The first wave has an amplitude of 2 m, and the second has an amplitude of 3 m.

A
She can use destructive interference to generate a wave with an amplitude of 3.1 m.
B
She can use constructive interference to generate a wave with an amplitude of 1.5 m.
C
She can use destructive interference to generate a wave with an amplitude of 0 m.
D
She can use constructive interference to generate a wave with an amplitude of 3.5 m.
7

What is common between transverse waves and longitudinal waves?

A
Both include an amplitude, crest, and rarefactions
B
Both move faster at higher temperatures
C
Both move slower through densely packed molecules
D
Both include a wavelength from compression to compression
9

Which of these most directly affects what happens to white light when it hits an object?

A
the properties of the object
B
the source of the light
C
the speed at which the light travels
D
the distance of the object from the light
10

A 2-column table with 4 rows. The first column labeled wave has entries W, X, Y, Z. The second column labeled Observations has entries its motion is perpendicular to wave motion, its particles move up and down, its particles only move small amounts, its motion is parallel to wave motion.

Question illustration
A
Waves W and Y are transverse waves, Wave X could be a longitudinal or transverse wave, and Wave Z is a longitudinal wave.
B
Waves W and Y are longitudinal waves, Wave X could be a longitudinal or transverse wave, and Wave Z is a transverse wave.
C
Waves W and X are longitudinal waves, Wave Y could be a longitudinal or transverse wave, and Wave Z is a transverse wave.
D
Waves W and X are transverse waves, Wave Y could be a longitudinal or transverse wave, and Wave Z is a longitudinal wave.
11

Hamish is studying what happens when he sends a sound wave through different mediums, and he records his data in a table.

Question illustration
A
Wave 1 will move the fastest.
B
Wave 2 will move the slowest.
C
Wave 3 will move the slowest.
D
Wave 4 will move the fastest.
12

Levi observed properties of three different waves and recorded observations about each one in his chart.

Question illustration
A
Wave W and Y are light waves. Wave X is a sound wave.
B
Wave W is a light wave.Waves X and Y are sound waves.
C
Waves Y is a sound wave. Waves X and W are light waves.
D
Wave W is a sound wave. Waves X and Y are light waves.
13

Which statement can be made about the amplitude of any transverse wave?

A
It is the length from the midpoint to the crest.
B
It is half the length from the midpoint to the trough.
C
It is the length of the wavelength.
D
It is half the length of the wavelength.
15

Which waves can travel through space?

A
electromagnetic waves only
B
mechanical waves only
C
electromagnetic and mechanical waves
D
longitudinal and electromagnetic waves

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