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9 Science Queensland - Earth Science Flashcards | StudBud
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9 Science Queensland - Earth Science
9 Science Queensland - Earth Science
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QLD Year 9 Science - Earth Science unit review.
Flashcards
23 cards
F
Practice quiz
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Host live
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Questions
23
Answers
1
The African Rift Valley is an example of a
Subduction zone
Constructive plate boundary
Destructive plate boundary
Conservative plate boundary
2
A magnometer is used to
identify evidence of seafloor spreading
to locate fossils.
detect earthquakes
measure the magnitude of an earthquake
3
A line of islands in curved oreintation formed as result of tectonic forces.
Island arc
Himalayas
Hot spot
Subduction zone
4
Evidence used to support the theory of super continent existing includes:
more than one correct
People wrote it down
Deposits of similar rocks
Continent coastlines appear to match
Fossils of animals
5
The layer of the earth responsible for tectonic plate movement is known as the
Outer Core
Asthenosphere
Lithosphere
Inner Core
6
Scientists use which times to calculate the distance from the epicentre of an earthquake?
Time between P and L waves
Time before P waves
Time between P and S waves
Time between S and L waves
7
What is the minimum number of seismograph stations required to triangulate the epicentre of an earthquake
2
4
1
3
8
The boundary shown is a
transform boundary
divergent boundary
constructive boundary
convergent boundary
9
the point within the earth where an earthquake rupture starts.
focus
epicentre
seismic waves
volcano
10
A nomogram uses
time between s and p waves to find the magnitude of an earthquake.
time between s and p waves to find the location of an earthquake
Distance and amplitude to find the location of an earthquake
Distance and amplitude to find the magnitude of an earthquake
11
The mountain ranges that will form (The Himalayas) are the result of which type of boundary?
Diverging oceanic
Diverging continental
Converging continental
Converging oceanic
12
A Earthquake rated between 7 and 8 on the Richter scale is considered a
Major Earthquake
Small Earthquake
Minor earthquake
Great Earthquake
13
Earthquakes are more frequent at the following boundaries
(more than one correct answer)
Divergent
Transform
Convergent
14
Which of the following events can trigger a Tsunami?
caused by earthquakes or volcanic activity
A cyclone
A very windy day
15
P waves are also known as
Wavy waves
Slinky waves
Shear waves
Compression waves
16
A deep ocean ridge form occurs between which type of plate boundary?
They can occur in the middle of a plate
Transform Boundary
Converging Boundary
Diverging Boundary
17
A seismograph records
seismic waves which travel outwards from the focus
ocean level changes
height of tsunami waves
movements of a slinky
18
Seismograph stations allow mapping of plate boundaries by
showing fault lines in rocks.
showing magnetic fields in new crust
locating earthquake epicentres
locating fossils
19
The longer the time distance between S and P waves, the further the epicentre is from the seismograph station.
True
False
20
The African Rift Valley is formed by
Convergent oceanic/continental plate
Convergent continental plates
Divergent Continental plates
divergent oceanic plates
21
Changes in the rock as shown below are caused by:
Massive compression forces
It just happens
Huge tension forces
Volcanoes
22
Alfred Wegener is known because he:
was the first man to sail around the world
gave Earthquakes their name
Found the first dinosaur fossil
Proposed the theory of continental drift
23
The first waves recorded by the seismograph as known as:
P waves
L waves
W waves
S waves
