DO NOW: Describe this picture

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DO NOW Describe this picture
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MAPPING FIELDS

• Topographic (contour) maps

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Does this help?
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SEA LEVEL
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RISING WATER
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Contour Lines
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What is this?
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CONTOUR MAP
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Medial Review

• What is a topographic map?
• Why are topographic (contour) maps used?
• How can we label them?
• What do contour lines represent on topographic
  maps?
• Name a topographic structure that is represented
  by a contour line that closes within the limits
  of its map.
• Tell me the altitude at sea level.

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Index Contour
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Steepness
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Practice Map
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Review

• Can intervals between contour lines on the same
  map vary?
• Name the line that is shaded darker than the
  other contour lines
• When contour lines are close together they
  indicate that
• What is a topographic map?

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END LESSON

• Extra slides in case we run over.
• I might just have the students go around the
  class looking at the different topographic maps I
  have hung up

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Contour Mappingpart II

• Aim What are the different features of contour
  maps?

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How Can We Find steepness?

• CHANGE IN VALUE
• GRADIENT CHANGE IN DISTANCE
• EARTH SCIENCE REFERENCE TABLES

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Find the gradient----- 100 feet
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Hachures
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Rivers