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Year 9 Earth Science Revision
Year 9 Earth Science Revision
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Revision for 9B
Flashcards
24 cards
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Questions
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Answers
1
San Andreas is an example of a?
Collision zone
Transform fault boundary
Convergent boundary
Rift Valley
2
Tsunamis and tidal waves the same thing
True
False
3
Which is not part of the structure of the earth?
Inner core
Middle core
Mantle
Crust
4
Who introduced the theory of continental drift?
Alfred Wegener
Albert Einstein
Kendrick Lamar
Harry Hess
5
The crust and upper mantle are together known as the ______ which forms Earths tectonic plates
Inner core
lithosphere
asthenosphere
surface
6
The 2004 Indian ocean tsunami was caused by which plates being subducted?
The Eursasian plate subducting below the Philippine plate
The Eurasian plate subducting below the pacific plate
The Indo-Australian plate subducting below Eurasian Plate
The Indo-Australian plate subducting below the pacific plate
7
When magma cools down and solidifies what kind of rock does it form?
Igneous
Metamorphic
Stone cold
Sedimentary
8
What type of plate boundary is characterised by two plates moving towards each other?
Convergent
Subduction
Divergent
Transform
9
What do we call transverse waves that cause an up and down movement during earthquakes?
C-waves
Surface waves
P-waves
S-waves
10
How many large sized tectonic plates are there?
9
5
6
7
11
For volcanoes, what do we call the measure of a fluids resistance to flow?
Velocity
Variety
Viscosity
Verocity
12
Which scale uses roman numerals to measure the effects of earthquakes?
Magnetic
Micro
Mercalli
Richter
13
Which of these countries has a higher chance of experiencing earthquakes?
Australia
Algeria
Japan
Canada
14
Molten rock under the Earth's surface is known as:
Magma
Lava
Ash
Silica
15
The _______ is the place within the earths crust that an earthquake emanates from
Epicentre
Focus
Magnitude
Seismic waves
16
What do you call a fold of rock layers that slope upward on both sides of a common low point?
Ocean ridge
Syncline
Anticline
Transform fault
17
Plates move due to hot magma in the stratosphere rise up and flow under the plates creating:
convection currents
Igneous rocks
rapid movement
seafloor spreading
18
An underwater mountain range, formed by plate tectonics is referred to as:
Mid ocean ridge
Collision zone
Rift valley
Subduction zone
19
Transform fault plate boundaries are characterised by:
Strong earthquakes and intense volcanism
Weak earthquakes and no volcanism
Strong earthquakes but no volcanism
Weak earthquakes and non-violent volcanic eruptions
20
Which is NOT a type of volcano?
Shield
Composite/strato
Cylindrical
Viscosity
21
'Sticky' magma that flows slowly with explosive eruptions has:
High viscosity and high levels of trapped gas
Low viscosity and low levels of gas
High viscosity and low levels of gas
Low viscosity and high levels of trapped gas
22
The Himalayas is an example of which plate boundary?
Subduction
Divergent
Transform fault
Convergent
23
Slab pull and ridge push are theories of tectonic plates moving using the force of:
Magma
Subduction
Convection
Gravity
24
What occurs when continental crust is colliding? (crust pushes up fold mountain ranges)
Rift valley
Subduction zones
Collision zones
Transform faults