Crossword Puzzle Study Tool

3. Channel erodes.
4. A type of eruption with low viscosity, high volume, quiet.
5. The theory that Earth's lithosphere is fractured into huge plates.
7. Decomposition of compounds by reactions with water.
9. In fluvial systems is the process by which water dislodges, dissolves, or removes weather surface material.
10. Plastic layer(weak); hottest region of mantle.
12. Is the breakdown of minerals, always in presence of water.
14. Measures ground tilt rotation near faults caused by fault slip and volcanic uplift, installed into boreholes.
15. Changes in population structures that occur at boundary of two habitats.
17. Water gets into cracks, freezes and expands to break rock.
19. Both Limited by extreme conditions(cold or hot), supporting low flora, fauna diversity.
20. Fastest shock waves traveling through solid, liquid and gas.

1. Is the physical breaking down rock.
2. Builds mid ocean ridges and drive continental movement.
6. In desserts, a torrent of water that fills a stream channel during or just after a rainstorm.
8. Take over niches already occupied by native species.
11. The study of minerals.
13. Boundary zones between different but adjoining ecosystems.
16. A weak point in the tectonic plate where pressure form beneath the surface burst through; break in Earth's crust.
18. The level or nearly level depositional plain that forms at the mouth of a river.