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AIM : How do we draw contour lines? DO NOW PowerPoint Presentation
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AIM : How do we draw contour lines? DO NOW - PowerPoint PPT Presentation


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AIM : How do we draw contour lines? DO NOW In your notebooks answer the following questions. When looking at a contour map; How do you know where the top/peak of the mountain is located? What do contour/isolines connect?. I. Isolines : Used to connect points of the same value. Examples

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slide1
AIM:

How do we draw contour lines?

DO NOW

In your notebooks answer the following questions. When looking at a contour map;

  • How do you know where the top/peak of the mountain is located?
  • What do contour/isolines connect?
slide2

I. Isolines:

Used to connect points of the same value.

Examples

Isobars, Isotherms, Contour lines

10 0

110

80

10 0

9 0

110

80

10 0

9 0

110

10 0

10 0

slide3

II. Rules for Drawing Contour Lines

  • Use the contour interval to create the lines.
  • Find and circle all the points you are going to connect.
  • 3. Contour lines don’t cross each other
  • 4. Contour lines close on themselves or on the edge of the map.