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WorksheetsEarth Structure & Plate Tectonics
Total questions: 18
Worksheet time: 8mins
Name
Class
Date
1.
This is the outermost, rigid layer of the Earth, made up of two parts, is divided into pieces call tectonic plates.
a)
Inner Core
b)
Asthensophere
c)
Lithosphere
d)
Outer Core
2.
Identify the letter in the diagram. Identify letter A
a)
Lithosphere
b)
Asthenosphere
c)
Mantle
d)
Outer Core
3.
The driving force of the tectonic plates are convection currents, where can these be found?
a)
inner core
b)
crust
c)
mantle
d)
outer core
4.
Roughly how long ago did Pangaea break apart?
a)
2 million years
b)
20 million years
c)
200 million years
d)
2000 million years
5.
Which is the hottest part of the Earth?
a)
The core
b)
The mantle
c)
The crust
d)
The Asthenosphere
6.
What layer is between the inner core and the mantle?
a)
asthenosphere
b)
crust
c)
outer core
d)
lithosphere
7.
Which two metals are thought to be found in the core?
a)
iron and steel
b)
iron and nickel
c)
gold and silver
d)
iron and copper
8.
What layer is the thinnest?
a)
Crust
b)
Mantle
c)
Core
d)
They are all the same size
9.
What is the outer core made of?
a)
solid rock
b)
solid metal
c)
melted rock
d)
melted metal
10.
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.
11.
Which layer causes the earth's magnetic field?
a)
inner core
b)
outer core
c)
mantle
d)
crust
12.
Which word best describes the lithosphere?
a)
liquid
b)
rigid
c)
bendable
d)
metal
13.
What kind of crust do we live on?
a)
oceanic crust
b)
continental crust
14.
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.
15.
Pangaea was an ancient supercontinent made up of...
a)
America, Greenland, and Europe.
b)
Antarctica, India, and America.
c)
all of Earth’s continents.
d)
South Africa, India, Australia, and South America.
16.
A German scientist Alfred Wegener was the first to hypothesize that ...........
a)
Continents were once joined
b)
The sea floor is spreading
c)
Continents are moving
d)
The Earth's magnetic pole flips
17.
The mechanism that moves continents is based on heat energy moving by
a)
Radiation in the core
b)
Conduction in the lithosphere
c)
Convection in the Asthenosphere
d)
None of these options is true
18.
Which lists the layers of the earth in the correct order? (from the outside)
a)
Core, Mantle, Asthenosphere
b)
Asthenosphere, Mantle, Core
c)
Mantle, Asthenosphere, Core
d)
Mantle Asthenosphere, Core
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