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Unit 3 Earth's Interior Vocabulary Terms

Total questions: 25

Worksheet time: 40mins

Name
Class
Date
1.
Which layer of earth is molten?
a)
inner core
b)
outer core
c)
crust
d)
lithosphere
2.
Which layer is plastic and has the consistency of silly putty allowing movement?
a)
asthenosphere
b)
lithosphere
c)
mesosphere
d)
crust
3.
Which of Earth's layers is made of SOLID iron and nickel?
a)
crust 
b)
mantle
c)
outer core
d)
inner core
4.
Which part of the mantle makes up the Lithosphere along with the crust?
a)
Upper Mantle
b)
Middle Mantle
c)
Lower Mantle
5.
What creates the Earth's Magnetic Field?
a)
The spinning of the mantle around the crust
b)
The spinning of the outer core around the inner core
c)
The spinning of the inner core around the outer core
d)
The spinning of the oceanic crust around the mantle
6.

In sea-floor spreading, molten material rises from the mantle and erupts

a)

along the edges of all the continents.

b)

along mid-ocean ridges.

c)

in deep-ocean trenches.

d)

at the north and south poles.

7.

Most geologists think that the movement of Earth’s plates is caused by _______

a)

convection.

b)

continental drift.

c)

subduction.

d)

conduction.

8.

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

a)

subduction

b)

plate tectonics

c)

deep-ocean trenches

d)

sea-floor spreading

9.

A place where two plates slip past each other, moving in opposite directions, is known as a _______

a)

transform boundary

b)

divergent boundary.

c)

convergent boundary.

d)

rift valley.

10.

The place where two plates come together is known as a _______

a)

transform boundary.

b)

divergent boundary.

c)

convergent boundary.

d)

rift valley.

11.

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

a)

Converging

b)

Diverging

c)

Sliding

d)

No movement

12.
What are Tectonic Plates?
a)
A continent 
b)
The Trees in Vietnam 
c)
ThE PlaTES That MoVE uNdERGRound :)
d)
The Plates that move the Continents
13.
What is Pangaea?
a)
the name of a German scientist
b)
the name of the super-continent that existed millions of years ago
c)
another name for continental drift
d)
the name of an ancient fossil
14.
Mountains form from ...
a)
plates sliding past one another
b)
collision of plates
c)
plates moving away from each other
15.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
16.
What does the theory of continental drift state?
a)
The continents were once joined in a super-continent and have moved over time
b)
Continents are stationary and do not move
c)
The Earth is broken into lithospheric plates that move due to convection currents
d)
none of the above
17.
What is the force that moves the continents? 
a)
Conduction 
b)
Convection 
c)
Radiation 
d)
Conveyor belts 
18.
The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of
a)
subduction
b)
plate tectonics
c)
evolution
d)
seafloor spreading
19.

A mid-ocean RIDGE is located at the boundary of two tectonic plates. Which diagram correctly models the relative plate motion on each side of a mid ocean ridge?

a)
b)
c)
d)
20.
The East African Rift Valley lies at what type of boundary?
a)
Transform
b)
Convergent
c)
Divergent
21.

process that forms new oceanic crust and moves it

a)

magnetic reversal

b)

mid-ocean ridge

c)

normal polarity

d)

reversed polarity

e)

seafloor spreading

22.

takes place when the Earth's magnetic field changes

a)

magnetic reversal

b)

mid-ocean ridge

c)

normal polarity

d)

reversed polarity

e)

seafloor spreading

23.

Oceanic crust is older when it is closer to the mid-ocean ridge

a)

True

b)

False

24.

A hot spot is located at the boundary of a plate

a)

true

b)

false

25.

What geologic feature will occur at a hot spot ?

a)

volcano

b)

folded mountain

c)

deep sea trench

d)

crevasse