Download Plate Tectonics Flash cards

1. What layer of the
earth is made up of
basalt and granite?
2. What happens to
temperature and pressure
beneath earth's surface?
3. How do geologists
study earth's interior?
4. List the layers
of the earth.
5. Ridge push
6. slab pull
7. Where are the
convection currents
located?
8. Convection
current
9. What happens to
convection currents
when heat is removed?
10. What did Wegener
believe about
continental drift?
11. Pangaea
12. What do we call a
trace of an ancient
organism?
13. Name the 3 types
of evidence for
Wegener's theory.
14. Why was
Wegener's theory
rejected?
15. Name the longest
mountain chain in the
world.
16. In the mid 1990's what
technology was used to
map the ocean floor?
17. In seafloor
spreading where does
molten material erupt?
18. What were scientists able
to deterimine from drilling
samples in the ocean floor?
19. What did deep diving
submersibles observe at
the mid ocean ridge?
20. What term describes
ocean floor sinking into a
deep ocean trench?
21. What happens to
density as new
oceanic crust cools?
22. What force
causes plates to
move?
23. What theory states
that the earth is in
constant slow motion?
24. Boundary where
two plates collide
25. What is produced
when two plates
collide?
26. Boundary where
two plates slip past
each other
27. type of rock
in oceanic crust
28. type of rock in
continental crust
29. boundary two
plates moving away
from each other
30. What happens to a
plate as it is subducted
into the mantle?
31. type of boundary
at a subduction zone
32. geologic feature
at a divergent
boundary
33. What is being
created at a mid
ocean ridge?
34. Describe
the crust.
35. Describe
the mantle.
36. Describe
the core.
37.
lithosphere
38.asthenosphere
39.
mesophere
40. outer core
41. inner core
42. Rodinia
43. Where is old
crust destroyed?
44. Where is new
crust created?
45. Describe the three
ways mountains are
formed.
46. Draw a
convergent
boundary.
47. Draw a
divergent boundary.
48. Draw a
transform boundary