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Layers of the Earth

Authored by Caitlin Spencer

Science

8th Grade

Layers of the Earth
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sally is researching the differences that exist in each layer of the Earth. Which of the following best describes Earth's crust?

Solid, rocky

Liquid, metallic

Semisolid, convecting

Dense, extremely hot

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true regarding the composition of the lithosphere?

The lithosphere is mostly liquid, with some medium-density materials, such as silicon.

The lithosphere is more plastic and flows slowly compared to the solid crust of Earth.

The lithosphere includes the core and the lower portion of the mantle.

The lithosphere includes the crust and the uppermost portion of the mantle, which is sold and rigid.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What letter in the diagram identifies the layer that is composed of moving continental and oceanic plates?

layer A

layer B

layer C

layer D

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does layer D show?

upper mantle

lower mantle

outer core

inner core

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly lists the layers from innermost to outermost?

inner core, outer core, lower mantle, upper mantle, crust

lower mantle, upper mantle, crust, inner core, outer core

lower mantle, inner core, upper mantle, outer core, crust

crust, inner core, lower mantle, upper mantle, outer core

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The thinnest layer of the Earth is the ___________.

mantle
crust
core

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the thickest layer of the Earth?

the crust
the mantle
the outer core
the inner core

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