Direction and Scale

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Information about Direction and Scale
Education

Published on February 17, 2014

Author: maggiesalgado

Source: slideshare.net

Description

Geography, maps, scale

Direction and Scale These icons indicate that teacher’s notes or useful web addresses are available in the Notes Page. This icon indicates the slide contains activities created in Flash. These activities are not editable. For more detailed instructions, see the Getting Started presentation. 1 of 15 © Boardworks Ltd 2005

Learning objectives What are the points of the compass? How are bearings measured? How is scale shown on a map? 2 of 15 © Boardworks Ltd 2005

Compass rose How can we remember the points of the compass? ‘Never eat shredded wheat!’ Now think of your own slogan. 3 of 15 © Boardworks Ltd 2005

Learning objectives What are the points of the compass? How are bearings measured? How is scale shown on a map? 4 of 15 © Boardworks Ltd 2005

Bearings You want to walk from your house (‘1’) to your friend's house by the beach (‘2’). What bearing do you need to take? Easy Guide to Bearings! 1. Draw a north line from your starting point. 2. Join your starting point to your destination with a straight line. 3. Put the line of your protractor on the north line with the middle of it on the starting point. 5 of 15 © Boardworks Ltd 2005

Finding your bearings 6 of 15 © Boardworks Ltd 2005

Finding your bearings 7 of 15 © Boardworks Ltd 2005

Learning objectives What are the points of the compass? How are bearings measured? How is scale shown on a map? 8 of 15 © Boardworks Ltd 2005

How is scale shown on a map? The scale on a map can be written in different ways: 1. A scale line 0 2. Use ‘:’ which means ‘represents’ 1km 1 : 25000 This means 1 centimetre/metre/kilometre on the map represents 25000 centimetres/metres/kilometres on land. 9 of 15 © Boardworks Ltd 2005

Scale What do you notice about these two maps of Dorset? A B Map ‘A’ covers a smaller area than map ‘B’. 10 of 15 © Boardworks Ltd 2005

How far is it from… 11 of 15 © Boardworks Ltd 2005

Scale This is a 1:50 000 O.S. map. This means 1cm on the map represents 50 000cms on the ground. It would be easier to convert 50 000cms into kilometres… How many metres are in 50 000cms? There are 100cms in 1 metre and so… there are 50 000cms in 500m. How many kilometres in 500m? There are 1000 metres in 1km and so…there is 500m in 0.5km… Therefore 1cm represents 0.5 km on a 1:50 000 OS map. 12 of 15 © Boardworks Ltd 2005

How far it is from…? 1) What is the distance between the train station in Swanage and the end of Peveril Point? 2) What is the distance between the Town Hall and the woodland north of the groynes? Peveril Point 0 1km 1 : 50 000 13 of 15 © Boardworks Ltd 2005

Find the treasure! 14 of 15 © Boardworks Ltd 2005

Make your own map! 15 of 15 © Boardworks Ltd 2005

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