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4. a mountain that spews lava out
6. the very center of the earth
9. when fluid seeps through the crust and goes to the mantle
11. an extint species thought to have
12. ouccurs when plates smash into each other
13. relating to the structure of the earth's crust and the large-scale processes which take place within it.
14. the thin solid layer of the earth
15. larges rocks that cause earthquakes

1. on pangea
2. a person whio studies the earth
3. what the earth was before it was broken apart
5. the solid molten layer of the earth
7. the liquid magma that surrounds the inner core
8. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
9. the transfer of heat movement through a fluid
10. the remais of something that lived long ago