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WorksheetsEarth's Structure and Plate Tectonics
Total questions: 51
Worksheet time: 41mins
Name
Class
Date
1.
Which of these layers is ALL solid iron and nickle?
a)
inner core
b)
outer core
c)
lithosphere
d)
mesosphere
2.
Which of the following occurs because of convection currents?
a)
Tectonic plates on the crust move.
b)
The mantle increases in size.
c)
Pressure in the crust increases.
d)
Pressure in the crust decreases.
3.
What would happen to the convection currents if the heat from the inner core disappeared?
a)
They would stop.
b)
They would change directions.
c)
It would not change.
d)
They would speed up.
4.
The area around the pacific plate where boundaries form is called...
a)
death ring
b)
fire zone
c)
ring of fire
d)
zone of fire
5.
Which is true about hotter material in the mantle?
a)
more dense, sinks
b)
less dense, sinks
c)
less dense, rises
d)
more dense, rises
6.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
7.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
8.
This layer of Earth is the thickest part
a)
crust
b)
outer core
c)
mantle
d)
inner core
9.
What describes the outer core?
a)
solid
b)
liquid
c)
viscous
d)
gas
10.
The oceanic floor is made of?
a)
Granite
b)
Basalt
c)
Cookies
d)
Water
11.
Who is the scientist who proposed Continental Drift Theory?
a)
Albert Einstein
b)
Alfred Wegener
c)
Isaac Newton
d)
John Dalton
12.
What do you call the supercontinent landmass formed million years ago?
a)
Pangea
b)
Asia
c)
Pantallasa
d)
Eurasi
13.
What are the two continents the fits together based on Wegener's Theory?
a)
Asia and Russia
b)
India and Asia
c)
South America and Africa
d)
Africa and Asia
14.
Tectonic plates are made up of continental crust and ________ crust.
a)
continental
b)
oceanic
c)
plates
d)
mantle
15.
There are how many different types of crust?
a)
1
b)
2
c)
5
d)
3
16.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
17.
What is the core made of?
a)
steel
b)
iron
c)
aluminum
d)
iron and nickel
18.
Why is the inner core solid?
a)
its unknown
b)
what it's made of
c)
the pressure
d)
it is colder than the outer core
19.
Which layer(s) of the Earth make up the asthenosphere?
a)
Part of the mantle
b)
Crust, mantle, Core
c)
Crust and upper mantle
d)
Only the crust
20.
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
21.
What layer is a semisolid and acts like a plastic?
a)
Lithosphere
b)
Mantle
c)
Asthenosphere
d)
crust
22.
The continental floor is made up of?
a)
Flowers and grass
b)
Basalt
c)
Granite
d)
Crust
23.
What happens to pressure as we move from the crust to the inner core?
a)
Pressure Decreases
b)
Pressure Increases
c)
Nothing
24.
What happens to temperature as we move from the crust to the inner core?
a)
Decreases
b)
Increases
c)
Nothing
25.
Which layer of Earth has the GREATEST density?
a)
crust
b)
mantle
c)
outer core
d)
inner core
26.
Which layer of Earth is made up of tectonic plates?
a)
outer core
b)
inner core
c)
asthenosphere
d)
lithosphere
27.
The type of plate boundary where two plates come together is a .....
a)
Convergent Boundary
b)
Divergent Boundary
c)
Transform Boundary
d)
Plate Boundary
28.
Which of the following causes Earth's tectonic plates to move?
a)
Energy from the Sun
b)
Magnetic Pole Reversal
c)
Convection currents in the mantle
d)
Faults in Mountain Ranges
29.
What type of event will occur at this boundary?
a)
Earthquake
b)
Volcano Eruption
c)
Tornado
d)
Mountain Building
30.
The theory that says Earth's continents once made up an ancient supercontinent, and have been drifting apart ever since, is called the theory of...
a)
Pangea
b)
Plate Tectonics
c)
Natural Selection
d)
Gravity
31.
Where would the oldest rock be found?
a)
L
b)
M
c)
N
d)
O
32.
Mountains are created when....
a)
Two continental plates collide
b)
Two oceanic plates pull apart
c)
An Oceanic plate subducts under a Continental Plate
d)
Two continental plates pull apart
33.
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
34.
Which of the following is where one plate slides under another plate?
a)
submarine zone
b)
divergence zone
c)
subduction zone
d)
lower zone
35.
During sea floor spreading, molten material rises up from the mantle...
a)
along the continents
b)
at the mid ocean ridges
c)
deep ocean trenches
d)
at north and south poles
36.
Earth's plates are...
a)
constantly moving and changing the face of the earth
b)
Never moves
c)
Moves seldom and very fast
d)
Moves when it feels like it
37.
The presence of the same ________ on several continents supports the idea of continental drift.
a)
rocks
b)
fossils
c)
both fossils and rocks
d)
neither fossils nor rocks
38.
The _________ is the thinnest layer of Earth.
a)
outer core
b)
inner core
c)
mantle
d)
crust
39.
The feature labeled C represents some of the deepest spots on the ocean floor. These areas are called ___.
a)
mid-ocean ridge
b)
trenches
c)
deep-sea vent
d)
abyssal plain
40.
The feature labeled D is part of the continuous underwater mountain range that circles Earth. It is called ___.
a)
mid-ocean ridge
b)
trenches
c)
deep-sea vent
d)
abyssal plain
41.
Where is the point at which the first movement occurs during an earthquake?
a)
Epicenter
b)
Focus
c)
Fault
d)
Plate
42.
Where is the point on the Earth’s surface directly above the focus of an earthquake?
a)
Epicenter
b)
Fault
c)
Hypocenter
d)
Tremor
43.
What is an instrument that detects and records waves produced by earthquakes? (This piece of equipment can measure the magnitude of an earthquake.)
a)
Epicenter
b)
Fault
c)
Seismogram
d)
Seismograph
44.
What is the measure of the amount of energy released in an earthquake?
a)
Earthquake
b)
Epicenter
c)
Magnitude
d)
Seismogram
45.
Which scale measures the intensity of the ground movement?
a)
Mercalli Scale
b)
Richter Scale
c)
Seismogram Scale
d)
Bernoulli Scale
46.
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
47.
Volcanoes are found...
a)
on land
b)
under water
c)
on islands
d)
all of the above
48.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
49.
The volcanoes on the Hawaiian Islands form due to which of the following?
a)
Divergent Boundary
b)
Hot Spot
c)
Subduction Boundary
d)
Transform Boundary
50.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
51.
What is the best explanation for why oceanic crust is subducted by continental crust?
a)
The oceanic crust is cooler than continental crust.
b)
Continental crust is denser than oceanic crust.
c)
Oceanic crust is denser than continental crust.
d)
The oceanic crust is hotter than continental crust.
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