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GEOG 300 > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

Sun

A

Dominates the solar system
Converts hydrogen to helium
-Nuclear fusion
-Burns at 10,000°F

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2
Q

Northern Lights

A

Aurora Borealis

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3
Q

Southern Lights

A

Aurora Australis

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4
Q

Electromagnetic Energy

A

A form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves.

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5
Q

Electromagnetic Spectrum

A

Categorizes EMR by wavelength

Gamma, X-Ray, UV, Microwave, Radio

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6
Q

EMR

A

Electromagnetic Radiation

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7
Q

Short wave Radiation

A

Hotter objects radiate shorter wavelengths

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8
Q

Long wave Radiation

A

Cooler objects radiate longer wavelengths

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9
Q

Tilt of Earth’s Axis

A

The reason for the seasons

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10
Q

Winter Solstice

A

Dec 21 - Shortest day of the year in the northern hemisphere, sun at it’s minimum angle.

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11
Q

Summer Solstice

A

Jun 21 - Longest day of the year in the northern hemisphere, sun at it’s maximum angle

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12
Q

Rotation vs Revolution

A

Rotation - Movement of Earth around it’s axis

Revolution - Orbiting of Earth around the sun

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13
Q

Vernal Equinox

A

1st Day of Spring

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14
Q

Autumn Equinox

A

1st Day of Fall

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15
Q

Tropic of Cancer

A

23.5° North

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16
Q

Tropic of Capricorn

A

23.5° South

17
Q

Tropics

A

Parallel upon which the sun’s rays fall directly above on the 1st day of summer in the southern hemisphere

18
Q

Arctic Circle

A

66.5° North

19
Q

Antarctic Circle

A

66.5° South

20
Q

Gas Composition of Atmosphere

A

78% Nitrogen
21% Oxygen
<1% Argon

21
Q

Greenhouse Gases

A

Carbon Dioxide
Methane
Water Vapor
Ozone

22
Q

Atmospheric Layer

A

Troposphere: 0-10 miles
Stratosphere: 10-30 miles
Mesosphere: 30-50 miles
Thermosphere: 50-300 miles

23
Q

Chlorofluorocarbons (CFC)

A

Produces chlorine that destroys the ozone

Cause for ozone hole

24
Q

What are the natural factors affecting pollutants?

A

Winds
Local and Regional Landscapes
Temperature Versions

25
Q

Industrial Smog

A

Coal based - Industrial revolution

Combo of fog and smoke: true “smog”

26
Q

Temperature Inversions

A

A temperature inversion is a thin layer of the atmosphere where the normal decrease in temperature with heights switches to the temperature increasing w/ height

GEOG 300 (12 decks)

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