1. Topographic Map Tricks

2. Trick #1
Contour Lines can never cross or intersect.

3. Trick #2 Lines close together = ____Steep______
Lines far apart = ____Gentle______

4. Gentle vs. Steep

5. Trick #3
Rivers make “V” shapes, but PACMAN must go down in NUMBER!

6. ____________ = Mountian Peaks
Trick #4
____________ = Mountian Peaks

7. ____________ = Depressions
Trick #4
____________ = Depressions
- volcanoes
- lakes
- craters

8. Contour Interval = Distance between each line
Trick #5
Contour Interval = Distance between each line
HOW TO CALCULATE…?
Take two numbers and Subtract
Take the difference and divide by number of lines.
That is your contour interval!

9. What is the contour interval?
Answer 20