Earth Science Mapping
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a field? | An area of measurement
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| What is a field value? | Whatever you are measuring in the field
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| What is a map scale used for? | distance
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| On paper, you can easily represent two dimensions (length and width) but we live in a three dimensional world. So how do we represent that third dimension on 2-d paper? | By using a series of lines called isolines. (*ice cream, different flavors)
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| What does an isoline LITERALLY mean? | equal lines
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| What is an isoline? | a line of equal value (all points of the line are the same
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| What does a topographic map (surface topography) represent? | elevation
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| What is an interval? | what the lines are counting by
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| What can an isoline represent? | Depression contour & elevation contour
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| What is a depression contour? | (goes down, *holes)
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| What is an elevation contour? | (goes up)
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| What is the reference line for elevation? | sea level (0)
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| What is a profile? | a way to visually bring out that third dimension
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| Highest and Lowest Elevation | Decreasing contours- line on profile dip below labeled contour line
Increasing contours- line on profile rise above the labeled contour line
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| What is the difference between actual and possible? | (a) on graph, (p) one below interval
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| What are hachured lines? | *depression contours, indicate elevation is going down in the case of a hole or depression, first depression contour takes the value of the lowest contour line surrounding it and every one after that decreases by the contour interval
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| How can you tell the stream flow direction? | flow from higher to lower, when contour lines cross stream, they bend into a "V", the water flows out of the "V"
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
ssiizzlleerr
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