Things to know for test #5

Question 1

Colors on a topographic map?

Answer 1

contour lines - brown
water features - blue
vegetation - green
culture - black
other "artificial" features - red
revisions - purple

Question 2

Rules for contour lines?

Answer 2

1. close
2. never cross except at overhanging walls
3. show a “v” pattern in presence of stream, pointing upstream at the apex
4. widely spaced=gentle slopes
5. closely spaced=steep slopes
6. closed circular or oval=rifge or hill
7. closed circular with hachures= depression
8. specific elevations show an “x” also called a benchmark
9. every 5th contour =index contour and is bolder than the rest
10. contour interval= distance between adjacent contour lines
11. relief= distance between two elevations

Question 3

Difference between true north and magnetic north?

Answer 3

True north-geographic north

mag. north- compass direction as a result of Earth’s magnetic field

Question 4

How to calculate relief?

Answer 4

The difference in elevation between two points. It is easily calculated by subtracting the lowest elevation from the highest elevation in an area.

Question 5

What three things must go on a topographic map?

Answer 5

title, north arrow (2 types), scale (3 types)

Question 6

Three different types of scales?

Answer 6

Fractional, graphical, verbal

Question 7

How are latitude and longitude shown on a map?

Answer 7

Latitude lines run horizontally on a map.

The vertical lines on a map are called longitude lines, also known as meridians.