Earth Layers 8-3.1

Question 1

Which portion of Earths interior is made up partly of crust and partly of solid mantle material

Accepted Answer

Lithosphere

Question 2

Which of the following correctly sequences Earth's layers, starting with the surface?

Accepted Answer

crust, mantle, outer core, inner core

Question 3

Which type of crust is more dense?

Accepted Answer

Oceanic Crust/Basalt

Question 4

Compared with the other layers of Earth, the crust is _________.

Accepted Answer

thinner

Question 5

Pressure from surrounding material is one factor that causes the inner core to be what state?

Accepted Answer

Solid

Question 6

Where is the thickest part of the Earth's crust?

Accepted Answer

Under continental mountain ranges

Question 7

The elements silicon and oxygen make up most of Earth's ________.

Accepted Answer

solid rock

Question 8

What do convection currents do?

Accepted Answer

Circulate heat keeping the asthenosphere in a plastic state

Question 9

The crust beneath the Atlantic Ocean is composed primarily of which material?

Accepted Answer

Basalt

Question 10

What are two types of material that make up the crust of the Earth?

Accepted Answer

continental and oceanic

Question 11

Which of the following sequences arranges the Earth layers from most dense to least dense?

Accepted Answer

Core, mantle, oceanic crust, continental crust

Question 12

The main rock types that make up continental and oceanic crust are ________.

Accepted Answer

granite and basalt

Question 13

Which of the following best explains why the lower mantle is more dense than the upper mantle?

Accepted Answer

Lower mantle is under more pressure than the upper mantle

Question 14

What material makes up oceanic crust?

Accepted Answer

Basalt

Question 15

The inner core and the outer core of Earth differ in that the _______.

Accepted Answer

Inner core is solid

Question 16

The asthenosphere is in what state of matter?

Accepted Answer

"Plasticity" (Plastic-like)

Question 17

The lithosphere is a solid, brittle layer that is composed of what?

Accepted Answer

Crust and solid mantle material

Question 18

The matter that makes up the core of Earth is ________.

Accepted Answer

Iron and Nickel

Question 19

As you go from the Earth's surface to the core, the density of the Earth's layers......

Accepted Answer

Increases

Question 20

Crust under the ocean differs from crust under the continents in all of these ways EXCEPT:

Accepted Answer

State of Matter

Question 21

Which portion of an Earth layer is made of the least dense materials?

Accepted Answer

Continental Crust

Question 22

The Earth (excluding oceans and atmosphere) can be described as _______.

Accepted Answer

thin, solid surface floating on molten rock with solid core

Question 23

Earth's mantle is _______.

Accepted Answer

A layer of hot rock

Question 24

What material makes up continental crust?

Accepted Answer

Granite

Question 25

Which of the graphs represents the relationship between density and depth below Earth's surface

Accepted Answer

D

Question 26

The mantle is composed of all of the following EXCEPT ________.

Accepted Answer

granite

Question 27

The asthenosphere is a specific region that is part of which Earth layer?

Accepted Answer

Upper Mantle

Earth Layers 8-3.1

Questions 27

Earth Layers 8-3.1

Questions 27