Science crossword puzzle

4. - deep ravine between cliffs
6. - landforms that are controlled by geological process that form them and continually act on them after their formation.
8. - outer solid part of the planet.
9. - is almost similar to mesa
13. - they are smaller mountains
14. - scientific study of landforms and the process that shapes them.
15. - last and innermost layer of the earth.
17. - the liquid iron moves in a rotational pattern which is believed to be the source of magnetic field of the earth.
18. - flat and broad land areas.
19. - high rocky coasts that plunge down the edge of the sea

1. - Latin word which means "almost island"
2. - landforms that underwent sedimentation, erosion or deposition on the river bed.
3. - the largest layer of the earth.
5. - outermost layer of the earth.
7. - flat-topped mountains.
10. - low-lying area of land situated between hills or mountains.
11. - is the study of the flow of matter primarily in the liquid state.
12. - study of the current terrain features of a region.
16. - slit-sized sediment formed by the accumulation of windblown dust
17. - small hills made up of sand.