Layers of the Earth Worksheet v2
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by Michael Jones
| 20 Questions
Note from the author:
Worksheet on the layers of the Earth
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1
1 pt
The green area between these two arrows is what layer of the Earth?
Crust
Mantle
Outer core
Inner core
2
1 pt
There are two types of this layer, what are they called?
Crust and mantle
Continental crust and oceanic crust
Basalt and granite
Inner core and outer core
3
1 pt
The crust under the continents is called continental crust. What is it made of?
Sandstone
Basalt
Diamonds
Granite
4
1 pt
The crust under the oceans is called oceanic crust. What kind of rock is it made of?
Sandstone
Basalt
Diamonds
Granite
5
1 pt
Which kind of crust is thicker - continental crust or oceanic crust?
Continental
Oceanic
6
2 pts
This dotted line is the boundary between the crust and the mantle. What is it called? How deep in the Earth is it?
Mohorovicic Discontinuity
Moho & 60 miles
Moho & 60 km
Lithosphere & 100 km
7
1 pt
The green and pink areas between these two arrows is a layer of the Earth that is actually made of parts of two other layers. What is it called?
Lithosphere
Crust
Mantle
Asthenosphere
8
1 pt
The lithosphere floats on this layer. What is it called?
Mantle
Crust
Lithosphere
Asthenosphere
9
1 pt
How thick is the asthenosphere?
5 km
50 km
About 150 km
150 miles
10
1 pt
What do these two curved arrows represent?
11
1 pt
This big long arrow shows the thickest layer of the Earth. What is the name of this layer?
Crust
Mantle
Outer Core
Inner Core
12
1 pt
How thick is the mantle?
2867 miles
3000 km
286.7 km
2867 km
13
2 pts
The mantle is HOT! Describe how the temperature changes as you go further down into the Earth. (Be specific - include temperatures in your answer)
14
1 pt
Which layer of the Earth is this?
Crust
Mantle
Outer core
Inner Core
15
1 pt
What is the outer core made of?
Iron & nickel
Nickels & dimes
Solid iron & nickel
Liquid iron & nickel
16
2 pts
The outer core is spinning. Why is that important for life on Earth?
17
1 pt
Which layer of the Earth is this?
Crust
Mantle
Outer core
Inner core
18
1 pt
What are the temperatures in the inner core?
About 5000 degrees Celsius
About 5000 degrees Fahrenheit
19
2 pts
The inner core is hot enough to melt but it can't. Explain why the inner core cannot melt.
20
1 pt
Extra Credit! - This is the boundary between the mantle and the outer core. What is it called?
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