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Earth's Layers

Total questions: 21

Worksheet time: 14mins

Name
Class
Date
1.
The thinnest layer of the Earth is the ___________.
a)
mantle
b)
crust
c)
core
2.
Tectonic plates are made up of continental crust and ________ crust.
a)
continental
b)
oceanic
c)
plates
d)
mantle
3.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
4.
What is the core made of?
a)
steel
b)
iron 
c)
aluminum
d)
iron and nickel
5.
Which layer(s) of the Earth make up the asthenosphere?
a)
Part of the mantle
b)
Crust, mantle, Core
c)
Crust and upper mantle
d)
Only the crust
6.
What is the correct order (starting from the surface) of Earth's layers?
a)
crust, outer core, inner core, mantle
b)
mantle, outer core, inner core, crust
c)
crust, mantle, outer core, inner core
d)
outer core, inner core, crust, mantle
7.
What layer is a semisolid and acts like a plastic?
a)
Lithosphere
b)
Mantle
c)
Asthenosphere
d)
crust
8.
What happens to pressure as we move from the crust to the inner core?
a)
Pressure Decreases
b)
Pressure Increases
c)
Nothing
9.
Which layer of Earth has the GREATEST density?
a)
crust
b)
mantle
c)
outer core
d)
inner core
10.
Which layer of Earth is made up of tectonic plates?
a)
outer core
b)
inner core
c)
asthenosphere
d)
lithosphere
11.

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

a)

Rubber ball ( flexible solid) painted red (thin solid covering)

b)

A ball of clay (solid) filled with water (liquid)

c)

Gelatin (red semi-solid) on top of a cracker (brittle solid)

d)

A metal ball bearing (solid) suspended in oil (liquid)

12.

Oceans and other bodies of water are found on which layer of Earth?

a)

Outer Core

b)

Crust

c)

Mantle

d)

Inner Core

13.

Which number in the diagram identifies the layer scientists believe to be in a liquid state?

a)

Location 1

b)

Location 2

c)

Location 3

d)

Location 4

14.

Which layer of Earth is composed of liquid rock?

a)

crust

b)

inner core

c)

lithosphere

d)

outer core

15.

The lithosphere is composed of rock that can be described as being

a)

flowing

b)

dense

c)

solid

d)

liquid

16.

A student constructs a clay model of Earth to show its layers. What property is the model able to share with the real Earth? The model will have layers that are the same-

a)

temperatures as the real Earth

b)

positions as the real Earth

c)

state of matter as the real Earth

d)

thickness as the real Earth

17.

Which is the best description of the characteristics of the asthenosphere?

a)

Solid, but flowing

b)

liquid, but dense

c)

hot, but solid metal

d)

brittle, but shifting

18.

Which layer of Earth is broken up into giant moving plates?

a)

Asthenosphere

b)

Inner Core

c)

Outer Core

d)

Lithosphere

19.

The lithosphere consists of the..

a)

upper mantle and the crust

b)

inner and outer core

c)

crust and the entire mantle

d)

lower mantle and the outer core

20.

Earth's crust would be best modeled by using a material that is-

a)

liquid and hot

b)

soft and flexible

c)

thin and solid

d)

dense and smooth

21.

Which of the following best describes the position of the layer of the earth known as the crust?

a)

above the mantle,which is above the core

b)

above the core, and below the mantle

c)

between the inner core and the outer core

d)

between outer core and the inner core