Evn Exm Flashcards

1
Q

Which of the following does not make up the solar system?

A

Constellation

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2
Q

Which sky does the sun rise in and which does it set in?

A

Rise in the east, Set in the west

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3
Q

How long does it take for the Earth to rotate on its axis?

A

24 hours

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4
Q

If you look at the Earth from the North Pole, which way would the Earth be spinning?

A

Conter Clockwise

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5
Q

How much of the Earth receives sunlight at any given moment?

A

50%

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6
Q

Why is the sun’s energy more diffuse close to the poles than at the equator?

A

The curvature of the earth

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7
Q

Approximately how much of solar radiation is in the visible light wavelengths?

A

44%

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8
Q

Approximately how much of solar radiation is in the ultraviolet (UV) wavelengths?

A

7%

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9
Q

How do greenhouse gases warm the atmosphere?

A

Trapping Heat

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10
Q

Which of the following is NOT a greenhouse gas?

A

Argon and Nitrogen

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11
Q

Which greenhouse gas is NOT a natural part of the atmosphere?

A

CFC

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12
Q

If methane traps more heat (energy) than carbon dioxide (CO2), why is carbon dioxide a more impactful greenhouse gas than methane?

A

There is more CO2

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13
Q

What is the approximate tilt of Earth’s axis?

A

23.5

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14
Q

If it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

A

Winter

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15
Q

If it is fall in the Northern Hemisphere, what season is it in the Southern Hemisphere?

A

Spring

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16
Q

Which of the following is a date of the Winter Solstice (Northern Hemisphere)?

A

December 22nd

17
Q

Which of the following is a date of the Autumnal Equinox (Northern Hemisphere)?

A

September 22nd

18
Q

Which of the following is a date of the Vernal Equinox (Northern Hemisphere)?

A

March 20th

19
Q

Which of the following is a date of the Summer Solstice (Northern Hemisphere)?

A

June 22nd

20
Q

What latitude has the most direct solar radiation during the Autumnal Equinox (Northern Hemisphere)?

A

The Equator or zero degress

21
Q

What latitude has the most direct solar radiation during the Winter Solstice (Northern Hemisphere)?

A

23.5 South

22
Q

What latitude has the most direct solar radiation during the Vernal Equinox (Northern Hemisphere)?

A

The Equator

23
Q

Where is the Tropic of Cancer?

A

23.5 North

23
Q

What latitude has the most direct solar radiation during the Summer Solstice (Northern Hemisphere)?

A

23.5 North

24
Q

Where is the Tropic of Capricorn

A

23.5 South

25
Q

What is an analemma?

A

Position of the sun over the course of a year. It looks like a uneven figure eight

26
Q

What is the perihelion and when does it occur?

A

The point of Earths obit closest to the sun. It happens Jan 3rd

27
Q

What is the aphelion and when does it occur?

A

Farthest point from the sun happens on July 4th

28
Q
A