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43 Cards in this Set
- Front
- Back
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Layers in the earth are positioned based on their differences in .....
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density
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The lowest density layers can be found....
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at the outermost layer of the earth
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The densest layer of earth is the ....
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inner core
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North-South and East-West directions are typically indicated by degrees, __________, and __________
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minutes (') and seconds(")
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The gradual spreading-apart of the continents of the earth is called.....
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plate tectonics
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The imaginary line running East & West across the center of the earth's surface is called.....
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the equator
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The equator is assigned ____ degrees.
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Zero
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These imaginary lines that make East-West rings around the earth are called ____ lines and are measured in _____.
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latitude
degrees |
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How many degrees latitude are the North Pole and the South Pole of the earth, respectively?
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90 degrees North
90 degrees South |
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What is special about the area just north and south of the equator, in yellow?
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It contains the tropics of the earth. It's warm there all the time because the sun's rays are bearing down straight and not at angles.
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What name is given to the 23.5〫 North line "a" that marks the northern boundary of the tropics?
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Tropic of Cancer
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What name is given to the 23.5〫 South line "b" that marks the southern boundary of the tropics?
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Tropic of Capricorn
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What name is given to that imaginary line that runs North &South through Greenwich, England?
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Prime Meridian
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What number of degrees is assigned to the prime meridian?
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Zero degrees
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Imaginary lines that run North-South and through the poles are called _______ lines.
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longitude
[pronounced, LAWN- tih- tood] |
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Longitude lines tell you how far (number of degrees) ___ or ____ you are of the prime meridian.
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east, west
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Latitude lines tell you how many degrees ___ or ____ of the equator you are located.
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north, south
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What city in England does the prime meridian pass through?
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Greenwich
[pronounced GRENN-witch] |
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On the opposite side of the earth (____ degrees) from the prime meridian can be found the I____ D____ L____, in the Pacific Ocean.
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180 degrees
International Date Line |
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If you travelled west from the prime meridian, how many degrees would you have to go through to get back to the prime meridian?
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360 degrees
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How many time zones or "hours" of longitude does the earth have?
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24
[each of which contain 60 minutes, of which each contain 60 seconds] |
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What name is given to these squiggly lines that indicate elevation above sea level?
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Contour Lines
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What is the contour interval (in feet) for the contour lines on this map?
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20 feet
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In which direction do you need to travel on this map to go uphill?
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Go from Left to Right
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Maps like this, that show elevation using contour lines, are called t______________ maps. When the elevations are actually raised as "bumps" or low spots on the map, it's called a r___ map.
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topographical or topo
relief |
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What are we looking at on this topo map?
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Two hills with a river/creek in between them
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Which one of these hills is higher than the other -- c or d?
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Hill C
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Which terrain is steeper, location "a" or location "b"?
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Location "a"
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Why does is make sense that the river is located at "e"?
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Water seeks the lowest point.
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What is the elevation of Hill D?
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1220 feet
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How far above sea level is the river in this topo map?
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1100 feet
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What is the contour interval on this topo map?
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40 feet
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Which stream section has the fastest moving water or rapids -- a, b, or c?
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section A
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In which area would you find it the most comfortable for you to have a picnic (not as steep)?
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Section B
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What is the direction that the creek is flowing in this map?
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It flows to the lower left.
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Identify layers a-e with these names: upper mantle, inner core, lithosphere/crust, lower mantle, outer core.
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e = lithosphere/crust
a = upper mantle b = lower mantle c = outer core d = inner core |
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Which one of these layers has the lowest density material?
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E, the lithosphere/crust
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Where can the Asthenosphere be found? The asthenosphere is the "plasticky" layer on which the plates float.
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Bottom of E, lithosphere & top of the upper mantle, A
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The "-sphere" of the earth that contains the water is called the ....
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hydrosphere
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The "-sphere" of the earth that contains the hard material (layers of lithosphere, mantle & core) is called the....
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geosphere
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The "-sphere" of the earth that contains the life on the planet is the....
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bioshpere
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The "-sphere" of the earth that contains the gaseous components, like the air, is called the...
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atmosphere
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How would you say 82〫 35' 42" ?
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82 degrees, 35 minutes, 42 seconds
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