Watershed crossword

1. a collection of water that a stream stems from
7. a large area of flat land
11. the shape of a part of earth’s surface (variation in elevation)
12. the amount of water a particular point of our stream channel during a time interval
13. height above a given level (usually above sea level)
14. a natural elevation of earth’s surface from the surrounding level
17. show the elevation and shape above sea level by using contour lines
18. the compacted rock that sits below the surface of the soil
20. an area where land dips down (shown by hachures on a topo map)
22. direction and speed of water flow
23. heavy dark lines that have the elevation written on or beside them
24. a line that shows the elevation (aka contour line)
25. formed by upward movement in earth’s crust
26. the difference in elevation between consecutive contour lines
27. a depression in the land where water can collect

2. represented by closer contour lines
3. the tip of the v shows the source of the water
4. faster moving areas that look like little waves
5. a land shape that guides water to a common place or controls its path
6. the shape of the land
8. aka river systems, patterns formed by streams, rivers, and lakes in a particular basin
9. represented by more spread out lines
10. a flat, elevated piece of land that rises above the surrounding area on at least one side
15. the space that carries flowing water within banks
16. shows where north is located on a map
19. when water filters into a material and sits in its pores
21. a piece of earth’s surface rear can be viewed all at once from a certain place