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Earth Layers Wayground HW

Total questions: 29

Worksheet time: 28mins

Name
Class
Date
1.

According to the diagram and text, the Earth is divided into four main layers: Inner Core, Outer Core, Mantle, and Crust. How many main layers is the Earth divided into?

a)

3

b)

4

c)

5

d)

6

2.

Based on the labeled cutaway of the Earth, which layer is the outermost surface layer?

a)

Inner Core

b)

Mantle

c)

Crust

d)

Outer Core

3.

The Earth’s crust is compared to a certain part of an apple because it is very thin. What is the crust compared to?

a)

The core of an apple

b)

The peel of an orange

c)

The skin of an apple

d)

The shell of an egg

4.

Approximately what fraction of the Earth does the crust make up?

a)

1%1\%

b)

10%10\%

c)

25%25\%

d)

50%50\%

5.

According to the text, the crust of the Earth is broken into many pieces. What are these pieces called?

a)

Blocks

b)

Plates

c)

Layers

d)

Shells

6.

Which layer is identified as the thinnest?

a)

Inner Core

b)

Mantle

c)

Outer Core

d)

Crust

7.

Which layer lies directly below the crust?

a)

Inner Core

b)

Mantle

c)

Outer Core

d)

Upper Crust

8.

Which layer is described as the largest/thickest layer of the Earth?

a)

Crust

b)

Outer Core

c)

Inner Core

d)

Mantle

9.

Where do convection currents occur, according to the notes?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

10.

Into how many regions is the mantle divided, as stated in the text?

a)

One

b)

Two

c)

Three

d)

Four

11.

The outer core is described in the notes. What is its physical state?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

12.

Which metals are identified as liquid in the outer core?

a)

Gold and copper

b)

Iron and nickel

c)

Silver and aluminum

d)

Tin and lead

13.

According to the diagram, about how thick is the outer core?

a)

140 miles

b)

1,400 miles

c)

4,000 miles

d)

14,000 miles

14.

The inner core of the Earth has temperatures and pressures so great that metals are squeezed together and cannot move. What is the physical state of the inner core’s metals?

a)

Liquid

b)

Solid

c)

Gas

d)

Semi-liquid

15.

Which metals are identified as making up the inner core?

a)

Copper and zinc

b)

Iron and nickel

c)

Aluminum and magnesium

d)

Gold and silver

16.
Which layer of Earth is located above the outer core?
a)
crust
b)
inner core
c)
mantle
d)
lithosphere
17.
A dense ball of solid iron and nickel.
a)
crust
b)
inner core
c)
mantle 
d)
outer core
18.
What is the top layer of the Earth's surface called? 
a)
Mantle
b)
Innercore
c)
Outercore
d)
Crust
19.
Is the outer core a liquid or solid?
a)
liquid
b)
solid
20.
Temperature _____________________ as you go deeper into the earth.
a)
increases
b)
decreases
c)
goes up and down depending on the layer
d)
stays the same
21.
Pressure ______________________ as you go deeper into the Earth
a)
increases
b)
decreases 
c)
goes up or down depending on the layer
d)
stays the same
22.

Which layer contains convection currents?

a)

outer core

b)

inner core

c)

mantle

d)

lithosphere

23.

The outer core is made up of liquid iron and nickel?

a)

true

b)

false

24.

Which is the correct order of the Earths layers?

a)

inner core, outer core, mantle, crust

b)

crust, inner core, outer core, mantle

c)

crust, mantle, inner core, outercore

d)

crust, mantle, outer core, inner core

25.

What is the correct order of the earth's layers from inside to outside?

a)

inner core, mantle, outer core, crust

b)

outer core, inner core, mantle, crust

c)

crust, mantle, outer core, inner core

d)

inner core, outer core, mantle, crust

26.

Which is the thinnest layer?

a)

crust

b)

mantle

c)

outer core

d)

inner core

27.

Which is the hottest layer?

a)

crust

b)

mantle

c)

outer core

d)

inner core

28.

Which is the coolest layer?

a)

crust

b)

mantle

c)

outer core

d)

inner core

29.

What is the correct order of the layers from hottest to coolest?

a)

crust, inner core, mantle, outer core

b)

mantle, inner core, outer core, crust

c)

inner core, outer core, mantle, crust

d)

crust, mantle, outer core, inner core