Chapter 1 Flashcards

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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

A

longitude

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?

A

meridians

23
Q

lines connecting all points of equal longitude.

A

meridians

24
Q

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

A

rotation

25
Q

causes deflection in flow path of air and water currents to the right in northern hemisphere and to the left in the southern hemisphere

A

coriolis effect

26
Q

refers to the orbit of earth around the sun; this celestial motion takes 365.25 days to complete one cycle

A

revolution

27
Q

the 23.5 degree tilt of earth on its axis

A

inclination

28
Q

refers to the fact that the axis of the earth remains parrell

A

parallelism

29
Q

represents the division between night and day across the earth

A

circle of illumination

30
Q

what two months are solstices?

A

june 21 and december 20

31
Q

which two months are equinoxes?

A

march 20 and september 22

32
Q

noon sun rays are vertical over the tropic of cancer (23.5 degrees N)

A

june solstice

33
Q

noon sun rays are vertical over the equator (0 degrees N/S)

A

equinoxes

34
Q

noon sun rays are vertical over the tropic of capricorn (23.5 degrees)

A

december solstice

35
Q

how many time zones are there?

A

24

36
Q

a practice by which clocks are set forward by an hour so as to extend daylight into the usual evening hours

A

daylight saving time