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Layers of Earth

Total questions: 41

Worksheet time: 23mins

Name
Class
Date
1.
You live, breathe, and eat on this layer.
a)
Outer Core
b)
Inner Core
c)
Mantle
d)
Crust
2.
The core is mostly made up mostly of which elements?
a)
Oxygen and Silicon
b)
Silicon and Magnesium
c)
Nickel and Iron
d)
Iron and Magnesium
3.

What are the two types of crust?

a)

Continental and Landforms

b)

Oceanic and Mountains

c)

Mountains and Landforms

d)

Oceanic and Continental

4.
Which layer of the Earth is the only liquid layer?
a)
Outer Core
b)
Inner Core
c)
Mantle
d)
Lithosphere
5.
Which layer is considered the thinnest layer?
a)
Mesosphere
b)
Core
c)
Mantle
d)
Crust
6.
What is the hottest layer?
a)
Crust
b)
Mantle
c)
Core
7.

Which compositional layer is represented by the yellow layer?

a)

inner core

b)

outer core

c)

mantle

d)

crust

8.
Which Layer is considered the coolest layer?
a)
Crust
b)
Mantle
c)
Inner Core
d)
Outer Core
9.
How would you describe the outer-core?
a)
liquid nitrogen
b)
liquid iron and nickle
c)
solid iron and nickle
d)
neither liquid nor solid, but plastic like layer
10.
What is the correct order of Earth's layer starting from the surface?
a)
Crust, mantle, outer core, inner core
b)
outer core, inner core, crust, mantle
c)
crust, outer core, inner core, mantle
d)
mantle, outer core, inner core, crust
11.
Which statement is true about oceanic crust?
a)
It is made of melted rock.
b)
It is the thinner than continental crust.
c)
It is thicker than continental crust.
d)
It is made of liquid metal.
12.
What happens to temperature as you move down through the layers?
a)
it remains the same
b)
it increases then decreases
c)
it increases
d)
it decreases
13.
Out of all the layers, which one would be the easiest for us to drill through?
a)
inner core
b)
outer core
c)
mantle
d)
crust
14.
Where is the Earth's crust the thickest?
a)
Oceans
b)
Equator
c)
Mountains
d)
North and South Poles
15.

The Earth is a giant, solid ball of rock and soil.

a)

True

b)

False

16.

The Earth consists of 4 main layers.

a)

True

b)

False

17.

The mantle "flows" because of large differences in temperature from the bottom to the top, which create convection currents.

a)

True

b)

False

18.

Oceanic crust is made of water.

a)

True

b)

False

19.

The Earth's core is made primarily of titanium.

a)

True

b)

False

20.
What is the outer core made of?
a)
solid rock
b)
solid metal
c)
melted rock
d)
melted metal
21.

Which compositional layer is the least dense?

a)

inner core

b)

lithosphere

c)

mantle

d)

crust

22.
Which statement is true about oceanic crust?
a)
It is made of melted rock.
b)
It is the thinner than continental crust.
c)
It is thicker than continental crust.
d)
It is made of liquid metal.
23.
Which layer causes the earth's magnetic field?
a)
inner core
b)
outer core
c)
mantle
d)
crust
24.

Which word best describes the lithosphere?

a)

liquid

b)

rigid

c)

bendable

d)

metal

25.
What kind of crust do we live on?
a)
oceanic crust
b)
continental crust
26.
Which statement is correct?
a)
As you move up through the layers, the pressure increases.
b)
As you move down through the layers pressure increases.
c)
As you move down through the layers, pressure decreases.
d)
As you move up down through the layers, pressure remains the same.
27.

The lithosphere includes the _____ and part of the _____.

a)

core, crust

b)

mantle, core

c)

crust, core

d)

crust, mantle

28.

Which model of the earth is pictured here: physical or compositional?

a)

physical

b)

compositional

29.

Which physical layer is represented by the yellow layer?

a)

lithosphere

b)

mesosphere

c)

core

d)

inner core

30.
Which layer is the OUTER CORE?
a)
1
b)
2
c)
3
d)
4
31.
Which layer is the MANTLE?
a)
1
b)
2
c)
3
d)
4
32.
Which layer is the THICKEST layer?
a)
Core
b)
Mantle
c)
Crust
33.
Which layer is the CRUST?
a)
1
b)
2
c)
3
d)
4
34.
Which layer is the INNER CORE?
a)
1
b)
2
c)
3
d)
4
35.
Which layer is the OUTER CORE?
a)
1
b)
2
c)
3
d)
4
36.

Which layer is shown in red?

a)

crust

b)

mantle

c)

outer core

d)

inner core

37.

Which layer is made of "flowing" solid rock (think clay or pudding)?

a)

crust

b)

mantle

c)

outer core

d)

inner core

38.

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

a)

Solid, rocky

b)

Liquid, metallic

c)

Semisolid, convecting

d)

Dense, extremely hot

39.

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

a)

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

b)

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

c)

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

d)

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

40.
The layer that lies beneath the mantle and surrounds the inner core. 
a)
mantle
b)
outer core
c)
inner core
d)
crust
41.
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

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