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Plate Tectonics Preview

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plate tectonics vocabulary

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Questions 12

Answers

1
new oceanic crust forms at a mid ocean ridge as old oceanic crust moves away
mid ocean ridge
sea floor spreading
normal polarity
continental drift
2
when two plates collide
plate tectonics
divergent plate boundary
convergent plate boundary
transform plate boundary
3
Alfred Wegener's Theory of Continental Drift had 3 pieces of supporting evidence. Name them.
Fossils, Land features, Oceans
Climate, Fossils, Gravity
Land features, Climate, Logic
Land features, Fossils, Climate
4
theory that earth's surface is made of rock plate that moves
continental drift
plate tectonics
magnetic reversal
divergent plate boundary
5
when two plates slide past one another
divergent plate boundary
plate tectonics
convergent plate boundary
transform plate boundary
6
hypothesis that continents are in constant motion
sea floor spreading
wagner
Pangaea
continental drift
7
ancient super continent composed of land that forms todays continents
fossil
pangaea
continental drift
north america
8
when two plates seperate
plate boundary
divergent plate boundary
transform plate boundary
convergent plate boundary
9
the mountain ranges in the middle of the ocean
mid ocean ridge
plate tectonics
normal polarity
sea floor spreading
10
Many earthquakes happen along the borders of tectonic plates.
False
True
11
Where can a subduction occur?
Oceanic - Continental AND Oceanic - Oceanic Boundaries
Oceanic - Oceanic Boundary
Continental - Continental Boundary
Oceanic - Continental Boundary
12
Tectonic plates float on the...
Mantle
Core
Athenosphere