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Lesson 3 How can you use maps?
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At the end of this lesson you should be able to Explain what a map is Describe the parts of a map Use a legend and scale to read a map
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Model Representation of how something looks or works
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Map Drawing that shows part of the earth’s surface as seen from above
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Legend List of map symbols and their meanings
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Compass Rose Part of a map that shows the major compass directions
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Scale Part of a map that shows the relationship between map distance and actual distance
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Maps are useful because they can show information clearly Compare the photograph with the map on page 8 of the textbook Both show land, rivers, bridges and roads Which one would you use if you wanted to drive from Virginia to West Virginia? Why?
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Find the vocabulary words in your textbook. Find two sentences in your textbook that use each word. Write the sentences in your science notebook.
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Most maps include a legend that explains what the map symbols mean. Some symbols might be shapes and some might be colors. What does the map on page 9 show? What can you conclude about the eastern and southeastern United States from this map? What is the elevation of Central VA?
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Observe the map legend on the Agriculture of VA map. What does the legend tell us? What does the legend use to give us information? Can you produce maple syrup in VA? In which region will you find sweet potatoes? Which region(s) produce peanuts? Which region produces the most tobacco? Name some livestock and the regions you’d find them.
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The oldest known maps are about 4,300 years old. They were drawn on clay tablets in Babylon, an ancient city in Asia. Ancient Native American maps were drawn on skin, bone and wood.
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For a map to make sense, you have to know the map’s compass directions: north, south, east & west Some maps show direction by using a compass rose. Some maps show direction by using an arrow with the letter N. The letter shows the direction of north.
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Find the compass rose on each of the maps. Does every map have a compass rose? What information does the compass rose give us? Does every compass rose look the same or different? Describe any differences you see.
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A scale is a comparison between the distances on a map and the actual distances on the earth. There are 3 common kinds of map scales Bar scale Verbal scale Ratio scale
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Find the scales on your maps. Are they bar scales, verbal scales or ratio scales? Are they all the same? Different? Using a length of string, let’s find some distances using the map scales. Using a ruler, find distances using the map scales.
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Turn to page 14 in your book. Form 2 groups Your group will construct a map using an appropriate scale and symbols. We will follow the directions on pages 14 & 15. You may all or part of this classroom, Mr. Proctor’s classroom (if he’s not using it), or a hallway (include all doors)
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Select one container of play-doh Form your play-doh into an irregularly shaped mountain Circle Thinking Map Brainstorm ways to draw maps to show the different elevations of your mountain
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In this lesson you will learn how to use the features of a topographic map. Objective: Explain how contour lines show shape and elevation
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CHAPTER 1-LESSON 4 (pages 16-19)
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A map that shows the shape and elevation of the land surface.
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Line on a map that connects points of equal elevation.
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The vertical distance between contour lines on a topographic map.
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Short line that points toward the center of a depression on a topographic map.
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Starting on page 16 or your textbook Find your vocabulary words Write at least one sentence in your science notebook that contains the vocabulary word
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Look at the map on page 16 If you wanted the easiest climb to the top of the island, which side would you choose? What is the elevation of the highest point of this island? What is the elevation of the lowest point of this island?
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Look at the map on page 18 Find a depression shown on the map. Which mountain is the highest? What is the contour interval? In which direction does Beaver Creek flow?
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Users of topograhic maps
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Turn to page 20 in your textbook Follow the directions for Reading a Topographic Map Answer the questions in your science notebook Add these questions Is there a legend? What does it tell you? Is there a scale? What type is it? Using the compass rose, in which direction would Spruce Hill be if you were standing on Twin Hill facing North?
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A _____shows how something looks or works A ___ is a drawing that shows part of the earth’s surface as seen from above. A ___explains the symbols used on the map. _________are shown on a map in different ways. A ___is a comparison between distance on the map and actual distance on the earth. _____show the shape and elevation of the land surface. Topographic maps have ___ which connect points of equal elevation. Certain patterns of contour lines show certain ___.
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