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geography > maps and globes * > Flashcards

maps and globes * Flashcards

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1
Q

3 main scales of maps and explain

A

world
maps of the world and continents

local
maps of provinces and one country

regional
parts of the continent

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2
Q

explain small scale map and large scale map

A

small scale
from far

large scale
close up

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3
Q

name the scales on the map

A

ratio
1:2 000 000

line
0_10_20_30 km

word
one centimeter is equals to fifty kilometers on the ground

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4
Q

what is the earth’s axis

A

an imaginary line between the north and south pole which the earth rotates on

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5
Q

what is rotation

A

turning around a fixed point

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6
Q

as the earth rotates…

A

different parts of the earth’s surface move in and out of the suns rays

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7
Q

earths rotation is the cause of…

A

day and night

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8
Q

the earth rotates from…

A

west to east

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9
Q

what is the earths axis tilt

A

23 1/2 degrees

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10
Q

the tilt of the earths axis affects the

A

length of day and night and is responsible for seasons

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11
Q

how long does it take for earth to complete 1 revolution

A

365 1/4 days

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12
Q

definition of tilts

A

inclined at an angle

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13
Q

definition of perpendicular

A

perfectly vertical forming a right angle with the horizontal

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14
Q

revolve definition

A

circular movement around an object

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15
Q

definition of revolution

A

one complete circular movement around an object

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16
Q

explain equinox

A

> when the length of the day and the night are the same number of hours
equinox means equal night
occurs on the 21 of march and 23 of september
the angle of the earths axis tilts is neither towards nor away from the sun
sun is directly above the equator
associated with spring and autumn

17
Q

explain solstice

A

> when one hemisphere has the longest number of hours of daylight and the opposite hemisphere has the shortest number of hours of daylight
occur on 21 december and 21 june
associated with summer and winter
21 june= sun is above the tropic of cancer
21 december= sun is above the tropic of capricorn

18
Q

the sun reaches its highest point in the sky at…

A

noon

19
Q

the angle of the earth’s axis affects the …

A

amount of sunlight certain areas of the earth receive at different times of the year

20
Q

in antarctica the sun does not set for ….

A

3 weeks

21
Q

how is angle of the sun calculated

A

angle of the sun over the equator - latitude = the angle of the sun in the sky

22
Q

main reason for different parts of the earth having different temperatures

A

amount of heat the earth receives from the sun

23
Q

what is the south african standard time

A

the time every place in south africa uses

24
Q

why should south africa have two time zone

A

because the 15 and 30 degree line of longitude pass through the country

25
Q

why doesnt south africa then have 2 time zones

A

the government decided to adjust the time zones to fit the borders

26
Q

the south african standard time is based on the …

A

30 degree line of longitude

27
Q

places to the east of the greenwich meridian are … by … for every … line of ….

A

ahead
1 hour
15 degree
longitude

28
Q

what is a time zone

A

one of the 24 divisions of earth which have the same time

29
Q

we measure time against the ….

A

position of the sun

30
Q

examples of countries that have several time zones

A

Australia and USA

31
Q

how many time zones does china have

A

1 but it should have 4

32
Q

the international date line divides the world into…

A

eastern and western hemisphere on the pacific ocean part of the world

33
Q

… and … have the same time but are only …

A

tonga and american samoa
one day apart

34
Q

what is the international date line

A

the 180 degree line of longitude opposite the greenwich meridian where times change by one day between the eastern and western hemispheres

geography (4 decks)

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