plate tectonics

Question 1

asthenosphere?

Answer 1

constantly moves due to convection currents
movements powered by heat from core
lithosphere above

Question 2

lithosphere?

Answer 2

broken into little plates
mainly in mantle
below the crust

Question 3

what do convection currents do?

Answer 3

push and pull the plates in different directions

Question 4

when do convection currents form?

Answer 4

less dense magma rises cools then sinks

Question 5

constructive?(pull apart)

Answer 5

• continental continental
• oceanic oceanic
• volcanoes
• earthquakes
• rift valleys

Question 6

conservative?(slide past)

Answer 6

-earthquakes

Question 7

destructive?(subduction) c and c

Answer 7

• continental continental
• earthquakes
• fold mountains

Question 8

destructive? c and o

Answer 8

• volcanoes
• fold mountains
• earthquakes

Question 9

destructive? O and o

Answer 9

• ocean trenches(plate subducts leaving it)
• island arcs(lava cools)
• earthquakes
• volcanoes