NEW
Font size
S
M
L
XL
WorksheetsTectonic Plates
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is Pangaea?
a)
The name of a German Scientist
b)
the name of the supercontinent that existed millions of years ago
c)
another name for continental drift
d)
the name of an ancient fossil
2.
What are mid-ocean ridges?
a)
A chain of underwater waterfalls
b)
A chain of underwater volcanos
c)
A chain of underwater mountains
d)
A chain of underwater rocks
3.
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
4.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
5.
The source for convection currents in the mantle comes from these layers...
a)
inner core and crust
b)
outer core and crust
c)
mantle and crust
d)
outer core and mantle
6.
The Theory of Continental Drift states that Pangaea broke apart and the continents "drifted" away from each other
a)
True
b)
False
7.
Which piece of evidence did Wegener use to prove continental drift?
a)
The shape of the continents
b)
Similar fossils found on separate continents
c)
Tree fossils found in odd places
d)
All of the above
8.
Why did no one believe Wegener's thoery?
a)
He could not explain HOW the continents moved
b)
He didn't have evidence
c)
His data was wrong
d)
He didn't use the right technology to gather data
9.
The movement of Earth's crust along plate boundaries produces
a)
earthquakes
b)
volcanoes
c)
mountains
d)
All of these options.
10.
This layer of Earth is solid Iron and Nickel
a)
Outer Core
b)
Mantle
c)
Inner Core
d)
Crust
11.
Which of the following did not support continental drift?
a)
magnetic striping on the ocean floor
b)
identical fossils on continents
c)
mountain ranges
d)
coastlines fit like a puzzle
12.
Fossils of a particular animal species have been found in both southern Africa and South America but nowhere else. Which of the following is MOST LIKELY the reason why?
a)
The fossils evolved into different organisms
b)
The climate changed and became much colder.
c)
In the past, Africa and South America were part of the same continent
d)
In the future, Africa and South America will be part of the same continent.
13.
Sea-floor spreading begins at the
a)
Deep ocean trench
b)
Mid-ocean ridge
Mid-ocean ridge
Mid-ocean ridge
c)
Continent's edge
14.
Magma, or molten material, __________ and hardens
a)
cools
b)
warms
c)
shrinks
15.
Which is NOT evidence of sea-floor spreading?
a)
Molten magma constantly erupting
b)
Drilling samples of rock
c)
Magnetic stripes
d)
Fossil evidence
16.
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.
17.
Scientists think that convection currents that move the plates flow in Earth's
a)
Continental crust
b)
Oceanic crust
c)
Asthenosphere
d)
Lithosphere
18.
The mantle of Earth is made partly of magma. When magma rises and sinks, this is called ______________.
a)
a conduction current
b)
a hot spot
c)
a volcanic eruption
d)
a convection current
19.
What is the order of the layers?
a)
inner core, lithosphere, mesosphere, outer core, asthenosphere
b)
asthenosphere, lithosphere, mesosphere, outer core, inner core
c)
lithosphere, asthenosphere, mesosphere, outer core, inner core
d)
crust, core, mantle
20.
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.
Reset
