LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

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LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1

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Transcript of LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Page 1: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

LET’S START WITH MAPS –

WHAT DO YOU KNOW?

An Introduction to Geography at Ballakermeen

Page 2: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Contents

What are maps?

Standard OS maps

What is your view of the Earth?

Where is the EU?

Do you know the British Isles?

Exploring the UK

Summary activities

The key concepts covered are:Place, Space, Scale and Physical and human processes

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What are maps?

Know what a map is and why it is used.

Understand some of the basic rules that must be followed when making a map.

Be able to identify some basic map symbols.

By the end of this section, you will:

What are maps?

Page 4: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

A map is a two dimensional drawing or picture of an area.

What are maps?

Maps can be seen in a variety of different forms:

a simple sketch of the street on which you live

Throughout history, maps have been essential to help us understand more about our surroundings.

a fully comprehensive representation of the Earth.

a complex Ordnance Survey map of a particular area of land

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Maps can help you visualize what a place looks like so you will know what to expect when you get there.

Why are maps useful?

Maps can help you plan your route.

You are more likely to arrive at your destination quickly and safely if you use a map.

What information must a map contain in order for it to make sense?

Page 6: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

A title must be given that shows what the map represents.

Map rules

There is certain information that must always be incorporated into a map so that the users can make sense of it.

A compass displaying a north sign should be included to help users find their bearings.

A scale is used to indicate how far apart places and things are.

A key is essential to explain what the symbols that are included on the map actually mean.

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Decipher the symbols

Page 8: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Standard OS maps

Know the features of a standard OS map.

Understand how relief is shown on an OS map.

Be able to use four figure and six figure grid references.

By the end of this section, you will:

Standard OS maps

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Ordnance survey

Ordnance Survey (OS) is Britain’s national mapping agency.

They produce most of the commonly used maps and map data for the British Isles.

What map features tell you what the land

is like?

What map features would help you

navigate?1km

N

Scale 1:50 000

Page 10: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Ordnance survey

OS maps contain:

1km

N

Scale 1:50 000

symbols and place names

contour lines and spot heights

a scale

grid references and grid lines

orientation

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What do OS map symbols represent?

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colour shading.

spot heights contour lines

How is relief shown on a map?

Relief is shown on maps in three main ways:

10-20 m

21-30 m

31-40 m

41-50 m

19

31

21

37

46

32

14

121020

3040

Page 13: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Contours are lines that join points of equal height.

Contours

Relief is often shown on OS maps by light brown/orange lines known as contour lines.

Contour lines usually have a number attached to them. This number indicates the height of the land above sea-level.

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Labelling landscape features

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Areas on maps can be identified with a grid reference. For example the highlighted square has the grid reference 0231.

The first two digit number is the easting. This is the

number at the top or bottom

of a map.

The second two digit

number is the northing.

This is the number at the side of a map.

Grid references

A grid reference is a set of two numbers, the easting and the northing.

00 0230

31

32

33

34

040301

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Finding a grid reference

00 0230

31

32

33

34

040301

1. Find the easting by placing your finger on the 02 line at the bottom.

2. Find the northing by placing a second finger on the 31 line at the side.

3. Draw your fingers along the lines until they meet.

The square is North-east of the point where they meet.

How would you find the grid reference of square 0231?

Page 17: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Four figure grid references

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What do the extra numbers mean in 024 315?

Sometimes we need to be specific about the location of a place.

Six figure grid references

Six figure grid references help us be more exact.

00 0230

31

32

33

34

040301

024 315 is the six figure grid reference of the church in grid square 02 31.

Page 19: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Finding a six figure grid reference

1. Use the first two digits of each three digit number to find the four figure reference, 024 315.

2. Imagine the square, 02 31, is divided into tenths vertically and horizontally.

3. Use the last digit of each three digit number, 024 315 to estimate lines at 4 tenths across the square and 5 tenths up the square.

4. 024 315 is the point where the imaginary lines cross.02 03

31

32

How would you find the grid reference 024 315?

4

5

Page 20: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Finding six figure grid references

Page 21: LET’S START WITH MAPS – WHAT DO YOU KNOW? An Introduction to Geography at Ballakermeen 1.

Features of an OS map


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