Mastery 6.E.2.1

Question 1

The movement of heat through convection currents occurs in which layer of the Earth?

Accepted Answer

Mantle

Question 2

Which layer is the thickest layer of the Earth?

Accepted Answer

Mantle

Question 3

Which layer is the hottest?

Accepted Answer

c

Question 4

Scientist make inferences about Earth's interior through the following activities EXCEPT for:

Accepted Answer

Sending cameras to the core to record all the layers

Question 5

Which layer is the least dense?

Accepted Answer

d

Question 6

12. The outer core can be best described as:

Accepted Answer

Liquid iron and nickel

Question 7

What best describes oceanic crust?

Accepted Answer

more dense and thinner than the continental crust

Question 8

Which layer has convection currents?

Accepted Answer

mantle

Question 9

Which layer is liquid?

Accepted Answer

a

Question 10

Which layer is the outer core?

Accepted Answer

a

Question 11

Which layer is the inner core?

Accepted Answer

c

Question 12

What causes the inner core to be a solid, even though it is the hottest layer?

Accepted Answer

Extreme pressure from the layers above

Question 13

Which layer is the crust?

Accepted Answer

d

Question 14

Which layer of earth is the mantle?

Accepted Answer

b

Question 15

The entire planet Earth is surrounded by a relatively thin layer of gas we call the

Accepted Answer

Atmosphere

Question 16

Which layer is the coolest?

Accepted Answer

d

Question 17

What is the reason that the Earth formed into distinct separate layers?

Accepted Answer

Density of the rocks at time of formation

Question 18

The rigid layer made up of the crust and upper most portion of the mantle is known as the

Accepted Answer

Lithosphere

Question 19

Which layer is the most dense?

Accepted Answer

c

Questions 19