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