+ how to read a map …. like a pro + + 1. identify the basics
TRANSCRIPT
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- + HOW TO READ A MAP . LIKE A PRO
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- + 1. IDENTIFY THE BASICS
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- + Grid The pattern of lines that circle the globe in East-West and North-South directions
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- + Degrees Measures the distances on the grid from the Equator (the x- axis) or the distance of meridians from the Prime Meridian (the y- axis)
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- + Latitude Imaginary East- West horizontal lines in the grid measuring the distance north and south of the equator
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- + Parallels lines of latitude; always parallel to the equator
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- + Equator Imaginary line that circles the globe halfway between the North and South Poles
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- + Longitude Imaginary North-South, Vertical lines that pass through the poles. They measure distance east and west of the prime meridian
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- + Meridians Lines of longitude that measure East to West of the Prime Meridian
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- + Prime meridian Imaginary line that represents 0 longitude
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- + Hemispheres: The equator divides the globe into two halves, Northern and Southern Hemispheres the prime meridian divides the globe into two halves, eastern and western hemispheres
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- + Continents (7) & Major bodies of water Find the continents- Australia Africa Asia Europe North America South America Antarctica Bodies of Water Pacific Ocean Atlantic Ocean Indian Ocean
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- + Compass Rose A compass that has arrows that point to all four principal directions Find your directions and you can orient yourself on the map
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- + Legend (KEY) explains what the symbols on the map represent
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- + Test your knowledge! Map Activity (See if you can identify the basics)
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- + 2. IDENTIFY WHERE THE MAP LIES
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- + SCALE, SIZE & SHAPE Maps are a 2-dimensional graphical representation of the surface of a 3- dimensional, spherical earth in other words Maps try to make our earth (which is a sphere) look like a flat rectangle.
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- + Scale The Distance between continents and latitude/longitude lines.
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- + Size The actual area or square miles of a continent or place.
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- + Shape The outline or format of what a country, continent, city, etc. looks like.
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- + MAP PROJECTIONS 3 ways to map the Earth 1.Planar 2.Conic 3.Cylindrical
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- + Planar Projection Project the Earth onto a plane that touchesthe globe at a single point, and you get a planar projection. Because this projection, Also known as an azimuthal projection, is most accurate at its center, it is often used for maps focusing on one of the Poles.
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- + Conic Put a cone on the globe to make a conic projection. Cut open the cone, and the basis of a map emerges. The map will be least distorted along the line where the cone touches the sphere.
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- + Cylindrical Projection Wrap the globe in a paper to form a cylinder. Cut the cylinder and flatten it into a map. This projection is most accurate near the Equator and greatly distorted near the Poles (Greenland/Africa problems)
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- + Advantages/Disadvantages
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- + Mercator
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- + Peters Projection
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- + Robinson
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- + Bottom Line All map projections have benefits and drawbacks, you will need to recognize these problems to determine the real perspective of the earth.
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- + 3. IDENTIFY THE MAPS PURPOSE
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- + Types of Maps Maps have a purpose. They can be Political Physical Thematic Maps can have more than one purpose
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- 1. Political Maps Show boundaries between countries, states, and cities.
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- 2. Physical Maps Show natural features like elevation or mountains and rivers Types of Physical maps : Topographic Raised Relief/Elevation
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- 3. Thematic Maps Show a single focus such as roads, natural resources, or precipitation Types: Choropleth (color shades) Pictograph
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- + 4. IDENTIFY WHAT ELSE the MAP IS SAYING
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- + What is the map NOT telling you? Make inferences on what the purpose of the map could also tell you. Maps sometimes over-simplify major ideas (so theyre easier to read), so they cut out other information.
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