Earth's Layers and Plate Tectonics

Question 1

Which plates move away from each other?

Accepted Answer

divergent

Question 2

The outermost solid layer of earth is

Accepted Answer

crust

Question 3

Earth is divded into how many layers?

Accepted Answer

3

Question 4

The crust is a apart of the

Accepted Answer

lithosphere

Question 5

The mantle is denser then the crust.

Accepted Answer

True

Question 6

Which of these is NOT a reason tectonic plates move?

Accepted Answer

mechanisms

Question 7

Sea floor spreading DOES form new oceanic crust.

Accepted Answer

True

Question 8

When do scientists believe Pangaea was joined?

Accepted Answer

245 million years

Question 9

The crust is the densest layer

Accepted Answer

False

Question 10

What DOES NOT support Alfreds hypothesis of Pangaea?

Accepted Answer

countrys cultures

Question 11

Oceanic plates are much less dense than continental plates are.

Accepted Answer

False

Question 12

Pangaea broke into which two continents?

Accepted Answer

Laurasia and Gondwana

Question 13

The lower part of the mantle is called

Accepted Answer

mesosphere

Question 14

Convection takes place when

Accepted Answer

all of the above

Question 15

The core is made of iron and nickel

Accepted Answer

True

Question 16

When two plates move past each other horizontally they are..

Accepted Answer

transform boundaries

Question 17

Which boundaries form when two plates collide?

Accepted Answer

convergent

Question 18

What discovery DOES NOT support the idea of continental drift?

Accepted Answer

earth's layers

Question 19

Which part of the core is the solid

Accepted Answer

inner

Question 20

Which element is the crust NOT made of

Accepted Answer

nitrogen

Questions 20