Download Moving Plates - Earth / Environmental Science

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Moving Plates
Use the Earth/ Environmental Science Concepts Powerpoint and notes to assist with your puzzle. Most
words are in singular form.
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Across
2. plates moving due to gravity pulling plates downward
5. 3 types, fractures between rocks and become
displaced
8. boundary, ridges, volcanic arc, mountains, island arc,
destructive, convection below moves it
11. volcanic mudflow
12. differences in density causing plates to move
14. boundary, rift valley, constructive, sea floor
spreading, Mid-Atlantic Ridge, convection below moves
it
17. fault that slides past each other, San Andreas Fault
19. primary wave, fastest, compressional, sway motion,
only in solids and liquids
Down
1. fault, hanging wall/ledge moves downward, western
part of US and oceans
3. theory of how lithosphere moves due to convection,
ridge push, or by gravity
4. molten/semi-molten rock below ground, intrusive
igneous rock
6. boundary, conservative, mostly along oceanic crust,
between the other plate boundaries
7. aka Thrust fault, hanging wall/ledge moves upward,
compresses, Japan
9. molten/semi-molten rock above ground, extrusive
igneous rock
10. subsurface of earthquake, deeper= less intense
13. plates under pressure/stress and moves
15. surface of earthquake occurrence
16. between 2 plates with the higher one pushing on
lower plate
18. secondary wave, up and down motion, slowest, only
move through solids