Maps And Globes Flashcards

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1
Q

What is a scale?

A

Making something smaller

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2
Q

What are maps

A

Accurate smaller versions of larger areas on land

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3
Q

What are the three types of scales?

A

Word
Ratio
Line

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4
Q

What are word scales?

A

Using words as though speaking to say what one cm on map represents as distance on ground

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5
Q

What is a ratio scale?

A

When the units are both represented as cm on both sides

1:500

(1cm on map = 500cm on land)

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6
Q

What is a line scale?

A

Using a half shaded bar to represent what 1 cm on map equals on land

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7
Q

What do latitude and longitude do?

A

Help us find the exact position of something on a map

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8
Q

Which way do lines of latitude run?

A

Horizontally. They run from the west to the east and divide the globe from the north to the south and it is called the equator.

0° line of latitude.

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9
Q

What’s the weight of the line of longitude run?

A

They run vertically joining the north and south pole and dividing the world from west to east

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10
Q

What is the longest line of latitude?

A

Equator or

0° line of latitude

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11
Q

What is the 0° line of longitude?

A

The prime/Green which Maredian

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12
Q

Where is the international dateline?

A

At 180°

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13
Q

Why is it important to know the coordinates of a place on a map

A

So that we can find any place we need

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14
Q

How many minutes are there in 1°

A

60

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15
Q

How do decided a degree into minutes

A
  1. Divide 1° into half this is 30 minutes
  2. Divide each half into three column this equals 10 minutes
  3. Divide each 10 minute column into 10 equal one minute coloums
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16
Q

How do we work out coordinates

A

By combining the latitude and longitude

17
Q

Does the time stay the same everywhere in the world?

A

No, the time changes by one hour for every 15 degrees of longitude

18
Q

Why do most countries adjust their time zones?

A

Economic efficiency

19
Q

What is the international date line?

A

Follows 180 degree line of longitude

Divides the world into eastern and western (pacific ocean side)

It is adjusted to fit with the location and shape of countries

Date changes either side side of IDL

Places in the eastern hemisphere are a day earlier than places in the Western Hemisphere

20
Q

South African standard time (SAST)

A

Should have 2 time zones

Government decided to make adjust -economic efficiency

21
Q

Explain the Earth revolution around the sun

A

Earth is tilted at 23 1/2° angle

The angle of the axis affect the length of day and night and causes different seasons

Rotates on its own axis will revolving around the sun

Causes day and Night

Takes 24 hours to rotate on its own axis

The Earth takes 365 1/4 days for one revolution the sun

22
Q

What happens in one part of the Earth is leaning away from the sun?

A

This area is winter

Days are shorter

Nights are longer

23
Q

What are the equinox

A

This is the time of year when day and night are the same number of hours for all places in the world

There are two every year called autumn and spring

Autumn is on 21 March
Spring is on the 23rd of September

The sun is directly over the equator