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Transcript of Topographic Maps
MAPS An Introduction... All maps will include labels to tell you where you are. In this case, this map is of the city Grimsby and the surrounding area. Along with labels, topographic maps include contour lines. Contour lines are brown lines on a map that join places that are all the same height above sea level. If you walked following the path of a contour line, you would always be at the height shown. If you walked away from the line, you would move to a higher or a lower level. A statement on the map also tells you the contour interval. This map has a contour interval of 10 metres. This means that countour lines are droawn every 10 m above sea level. The Contour interval is 20m. Look for labels - they will tell you the height Lines not labelled can be figured out by the labelled lines. This line = 60 metres. This picture is what the
topographic map above is showing. Go back and forth to see how elevation is shown.
The further apart the lines of contour are, the more flat the land is and the slower the slope. These hills rise gradually. Look at the next picture to see a steep slope. These contour lines are really close together - that means the slope is steep.
Immediately next to it is flat area of land. This is shown by contour lines that are far apart. This picture is what the
topographic map above is showing. Go back and forth to see how elevation is shown. FLAT STEEP QUESTION #1 Type your answers in Pages or Word.
Describe the two selections that the arrows are pointing to. Which one has a steeper slope and how do you know? Area #1 Area #2 To save time and space.... Topographic Maps show multiple homes in an area by colouring the section all one colour. On this map, it is representated by an area coloured pink. They also show forests in an area by colouring this section all one colour. On this map, it is representated by an area coloured green. All other areas that are white are labelled as fields, farmland, and other land forms features. Always check your legend if you don't know what something is! Question 2
In city areas, there are many different human features. Fill in your chart with the features highlighted next. WHAT ARE THESE? WHAT ARE THESE? WHAT IS THIS? WHAT IS THIS What's the difference? There are many other symbols that can be found on a topographic map. Zoom in and out of the legend you are about to see to complete your worksheet.
There are three different types of symbols. QUESTION #3 On your legend worksheet, highlight the only elevation symbol, three human and three surface features symbols with three different colours. Physical/Surface Features Elevation Human Features Features that occur naturally in the landscape and that haven't been created by humans. Any symbol that describes the height or elevation of the land. Features that are created by humans. Question #4 On the map of Grimsby, zoom in and out to find three more human and physical/surface feature symbols from the legend. Write which ones you found in you pages/word document - be ready to show us where they are!