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Plate Tectonics Flashcards | StudBud
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Plate Tectonics
Plate Tectonics
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A #science Quiz to test knowledge of #movingcontinents
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
In the given diagram, which strip is the youngest?
the outside
the inside
the middle
2
What was found to be pouring out of the mid-ocean ridges in vast quantities?
sandstone
water
basalt lava
granite
3
Who was the scientist who claimed that the continents were once joined together?
Alfred Wegener
Wayne Alder
Albert Wegener
Allan Weggens
4
The Mid-Atlantic Ridge is visible on the surface, in which country?
Finland
Thailand
Iceland
Greenland
5
Australia is moving a few cm's each year in which direction?
South
North
East
West
6
The magnitude of an earthquake is given a number. This is commonly known as the:
Richter scale
Richter meter
Richard scale
Seismograph
7
How do scientists measure the depth of the ocean floor?
Mid ocean ridging
We can't measure it
With an anchor on a long rope
Echo sounding
8
Converging plates:
Move away from each other
Move towards each other
9
What is seafloor spreading?
How we measure the depth of oceans
The process of continents shrinking
The formation of new ocean crust
None of the above
10
An earthquakes magnitude can be measured using:
Echo sounding
Seismograph
Seismometer
Diameter
11
What causes convection currents under the Earth's surface?
Volcanoes
Radioactive elements
Eruptions
A fire
12
Scientists have found ocean floors to be
very hilly
very flat
13
What do the purple, orange and yellow stars represent on this diagram?
seismic stations
epicentres
earthquake focuses
a constellation
14
What is often added to buildings to reduce damage if an Earthquake strikes
dampers
both - base isolation and dampers
base isolation
neither base isolation nor dampers
15
How many continents are there on Earth?
5
6
4
7
16
Hawaii is an example of:
diverging plates
mid ocean ridge
converging plates
Hot spot volcanoes
17
Diverging plates:
Move towards each other
Move away from each other
18
What is the outside layer of the Earth called?
Lithosphere
Mantle
Core
Atmosphere
19
The name of the process where one plate plunges under another is called
subduction
divergence
conduction
volcanic eruption
20
What evidence is there to support the theory of Continental Drift?
Glacial striations have been found
Fossil types match up on different continents
All of the above
The continents fit together like a jigsaw
21
The centre of the Earthquake as seen on our crust, is called the:
epicentre
epilogue
focus
appendix
22
The focus of an earthquake is located
On the Earth's surface
Deep under the Earth's surface
23
What is the name of the tectonic plate on which Australia is located
Indo-Australian Plate
African Plate
Pacific Plate
Nazca Plate
24
Are we given signs that a tsumani is pending?
no. there is very little warning
yes... we hear rumbling sounds
Yes, the water recedes
25
The Lithosphere floats on the
magma
ocean
asthenosphere
core
26
How many seismic stations are needed to find the epicentre of an earthquake?
1
3
2
Any number
27
What is the deepest part of the Earth's ocean called?
Mary Anne Trench
Marist Trench
Deep Ocean Point
Mariana Trench
28
At which point is the epicentre on this diagram
yellow star
pink star
orange star
purple star
29
What is the centre of the Earth called?
Mantle
Core
Atmosphere
Lithosphere
30
What is Harry Hess known for?
Living in a volcano
Sea floor spreading
continental drift theory
Echo sounding
31
What % of the world's earthquakes occur in the
Ring of Fire
?
75
98
80
90
32
The lithosphere is another name for the
Earth's crust only
Earth's crust and upper mantle
The mantle only
none of these
