Embed Size (px)
Citation preview
Maps and how to read them!
L/O: 1. To understand why maps are useful and how they should be created!
2. To use ordnance survey map symbols3. To use compass points and grid references
A map is a 2 dimensional drawing or picture of an area.
Maps can vary from a simple sketch to a complex Ordnance Survey map.
What are maps?
Maps can help you plan your route. You are more likely to arrive at your destination quickly and safely if you use a map.
They can also help you visualize what a place looks like and so you will know what to expect when you get there.
Why are maps useful?
Title
Scale
Compass Point
Key
A map always needs a:
What is missing from this map?
Map rules
The Earth is round and three-dimensional.
As we flatten the globe onto a piece of paper (a projection) we slightly change the shape of the countries and/or the size of the countries.
Map projections
Where do we use symbols?
However, not all the detail will fit on the map, so we use different images, abbreviations and letters to represent the main items on the map.
When drawing a map to scale, it is important to include as much detail as possible.
Why do we use symbols?
Why do we use symbols?
What are O.S. symbols?
What can we learn from place names?
What are 4 figure and 6 figure grid references?
Objective: To use ordnance survey map symbols
O.S. map symbols
Objective: To use ordnance survey map symbols
bus station
deciduous forest
camp site
coniferous forest
picnic site
church with a spire
church with a tower
view point
marsh
train station secondary road
main road
1 2
3 4
5 6
1
2
3
4
5
6
7 8
7
8
Match the O.S. symbol to the correct description
Objective: To use ordnance survey map symbols
Hint - There are 11 different symbols to identify!
Identify all the symbols you can spot on this Ordnance Survey map.
O.S. map symbols
Objective: To use ordnance survey map symbols
Hint - There are 11 different symbols to identify!
Identify all the symbols you can spot on this Ordnance Survey map.
O.S. map symbols
Objective: To use ordnance survey map symbols
main road
minor roadcontour line
river
public house
buildings
chapel
church with a tower
telephone
footpath
pond
Did you spot them all?
Objective: To use compass points and grid references14
‘Never eat shredded wheat!’
How can we remember the points of the compass?
Compass roseNOW MAKE UP YOUR OWN WAY TO REMEMBER THIS!
Objective: To use compass points and grid references15
Geographers use maps constantly but sometimes they can seem a little confusing.
Maps are often covered by a grid.
This is so we canfind places moreeasily. Thesegrids have numbers.
01 02 03 04 05 06 07 08 09 10 1123
24
25
26
27
28
29
30
31
32
Grid references
Objective: To use compass points and grid references16
Specific areas on maps can be identified using agrid reference. These come in the form of numbers, for example 0431. To find this place on a map is simple:
The first two digit number is called the easting, this is the number along the top or bottom of the map.
01 02 03 04 05 06 07 08 09 10 1123
24
25
26
27
28
29
30
31
32
The second two digit number is called the northing. This is the number at the side of the map.
Eastings and northings
Objective: To use compass points and grid references17
01 02 03 04 05 06 07 08 09 10 1123
24
25
26
27
28
29
30
31
32
To find the number 0431, first place your finger on the 04 line.
Place a second finger on the 31 line.
Draw your fingers together along the lines.
The square you are looking for is to thenorth-eastof where the lines cross.
Finding a grid reference
4-figure grid referencesUsing this map complete these tasks in your book:
1. What is at grid square 0162?
_________________2. What is at grid square 0262?_________________3. Give a four figure
grid reference for the camping site.
_________________4. Give a four figure
grid reference for the person
_________________5. Give a four figure
grid reference for the mast
_________________
Do now task . . .Discuss, what type of
map is this?What can you see in?What do the symbols
mean?
Exactly Where?
L/O: To be able to use 6 figure grid references
How did you do?Give a four figure grid reference for:
1. Mickleham Hall 2. Cowslip farm 3. Nichols field 4. Ext: What can be found in grid reference 32,44?
324531453044
Fredley Manor
21
Sometimes geographers need to be more specific and will use six-figure references, such as 045315.
01 02 03 04 05 06 07 08 09 10 11
23
24
25
26
27
28
29
30
31
32
Don’t panic. Click on square 045315.
Six figure grid references
L/O: To be able to use 6 figure grid references
22
31
1
2
3
4
5
6
7
8
9
32
04 1 2 3 4 5 6 7 8 9 05
You can then imagine that you can divide box 0431,further into a ten by ten grid.
Use the same rules for finding eastings and northings.
045315 will be here.
Finding a grid reference
L/O: To be able to use 6 figure grid references
23
1. The site of the battle.
2. The bus station in Naperton.
2. The church with a tower in Bingham.
What is the 6-figure grid reference of…
L/O: To be able to use 6 figure grid references
24
1. The site of the battle.
2. The bus station in Naperton.
2. The church with a tower in Bingham.
680 321
705 342
692 332
What is the 6-figure grid reference of…
L/O: To be able to use 6 figure grid references
Task
• Geog 1• Page 14-15
