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Earth Science Revision Flashcards | StudBud

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Earth Science Revision

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Plate Tectonics, Volcanoes and Earthquakes

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Questions 11

Answers

1
At a convergent plate boundary:
Two plated move apart from each pther
The plates transform into molten rock
Convection currents cause magma to rise to the surface
Two plates move closer together
2
Scientists think that plates are moved by:
Faults
Convection Currents
Volcanoes
Earthquakes
3
Which plate is represented by the '12' here?
Nazca
African
Eurasian
South American
4
What is represented by 'F' here?
Main Vent
Lava Chamber
Crater
Crust
5
What type of fault is shown here?
Slip-Strike
Normal
Reverse
Upwards
6
What is represented by 'D' here?
Crater
Lava
Vent
Cone
7
The forces that cause folding are always:
Compression
Sideways
Vibrational
Expansional
8
Which Station is the closest to the Earthquake?
A
Impossible to tell
C
F
9
A magnitude 7 earthquake:
Has 100 times the energy of a magnitude 5 earthquake
Has twice the energy of a magnitude 5 earthquake
Has half the energy of a magnitude 14 earthquake
Has half the energy of a magnitude 8 earthquake
10
What plate is represented by '2' here?
South-Western
Australasian
North American
Indo-Australian
11
The place within the crust where an Earthquake takes place is called the:
Anticline
Focus
Origin
Epicentre