Chapter 1 Flashcards

1
Q

all water on earth in all of its forms (solid, liquid, gas)

A

hydrosphere

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2
Q

all parts of earth where living organisms exist

A

biosphere

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3
Q

solid, inorganic part of earth

A

lithosphere

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4
Q

gaseous envelope of air that surrounds earth

A

atmosphere

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5
Q

what is the shape of earth?

A

oblate spheroid

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6
Q

size of earth?

A

approximately 7,900

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7
Q

highest point of elevation?

A

29,035

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8
Q

lowest point of elevation?

A

-36,198

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9
Q

the difference in elevation between highest and lowest points = 65,233

A

maximum relief

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10
Q

a set of lines intersecting at right angles, permitting any point on Earth’s surface to be described by the intersection

A

the geographic grid

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11
Q

earths grid system is referred to as a ______ with horizontal lines of latitude and vertical lines of longitude

A

graticule

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12
Q

another name for latitude

A

parallel

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13
Q

distance measured north and south of the equator

A

latitude

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14
Q

a line connecting all points of equal latitude

A

parallel

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15
Q

23.5 degrees N latitude

A

tropic of cancer

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16
Q

23.5 degrees S latitude

A

tropic of capricorn

17
Q

distance measured east and west of the prime meridian

18
Q

Prime Meridian location?

A

0 degrees E/W

19
Q

international date line location?

A

180 degrees E/W

20
Q

how many prime meridians were there in use in the 1880s?

A

at least 13

21
Q

where does the prime meridian pass through?

A

greenwich, england

22
Q

another term for longitude?

23
Q

lines connecting all points of equal longitude.

24
Q

refers to the spinning of earth on its axis; one rotation takes 24 hours

25
causes deflection in flow path of air and water currents to the right in northern hemisphere and to the left in the southern hemisphere
coriolis effect
26
refers to the orbit of earth around the sun; this celestial motion takes 365.25 days to complete one cycle
revolution
27
the 23.5 degree tilt of earth on its axis
inclination
28
refers to the fact that the axis of the earth remains parrell
parallelism
29
represents the division between night and day across the earth
circle of illumination
30
what two months are solstices?
june 21 and december 20
31
which two months are equinoxes?
march 20 and september 22
32
noon sun rays are vertical over the tropic of cancer (23.5 degrees N)
june solstice
33
noon sun rays are vertical over the equator (0 degrees N/S)
equinoxes
34
noon sun rays are vertical over the tropic of capricorn (23.5 degrees)
december solstice
35
how many time zones are there?
24
36
a practice by which clocks are set forward by an hour so as to extend daylight into the usual evening hours
daylight saving time