plate tectonics

Question 1

The fact that rock layers under the ocean shows reversals of magnetic fields supports what?

Accepted Answer

these rocks record the earth's magnetic fields change

Question 2

Mountain ranges like the Himalayas and the Appalachian were caused by tectonic plates...

Accepted Answer

converging

Question 3

The movement of magma in the mantle directly applies force and moves what part of the earth?

Accepted Answer

tectonic plates

Question 4

How would you describe the movement of the tectonic plates?

Accepted Answer

slow and continual process

Question 5

The reason that tectonic plates are continuously moving is because of...

Accepted Answer

Convection currents in the mantle under the crust

Question 6

The African Rift has formed where two tectonic plates are

Accepted Answer

diverging

Question 7

On this diagram, the correct identity of tectonic plates 6 and 7 are...?

Accepted Answer

South American and Nazca

Question 8

If fossils of same animal are found on two different continents, you might think that

Accepted Answer

the two continents were once together

Question 9

diagram shows plate tectonic boundary. What are features 1, 2, 3?

Accepted Answer

mantle, oceanic crust, continental crust

Question 10

Name one piece of evidence that geologists could use to support the theory of Plate tectonics

Accepted Answer

sea floor spreading

Questions 10