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Frage 1
Frage
What are the characteristics of the continental crust?
Antworten
-
It is older and very dense
-
It is newer and less dense
Frage 2
Frage
Earthquakes occur at conservative plate boundaries.
Antworten
- True
- False
Frage 3
Frage
At a constructive plate boundary...
Antworten
-
...two plates move away from each other.
-
...two of the same plates collide and force each other up.
-
...lava flows and lahars can destroy nearby settlements.
Frage 4
Frage
Where are shield volcanoes usually found?
Antworten
-
Conservative plate boundaries
-
Destructive plate boundaries
-
Collision plate boundaries
-
Constructive plate boundaries
Frage 5
Frage
You can measure volcanic activity with a tilt meter.
Antworten
- True
- False
Frage 6
Frage
What is a crater?
Antworten
-
Magma, once it reaches the surface.
-
Central tube where magma travels through.
-
A bowl-shaped basin in the top of a volcano.
-
A settlement near an active volcano.
Frage 7
Frage
Some effects of a super volcano eruption include:
Antworten
-
1,000 Km3 of material is erupted
-
The whole town or city is destroyed
-
There will be worldwide starvation
-
Thousands of lives are lost
Frage 8
Frage
What is the first step in the formation of a super volcano?
Antworten
-
Tension is released from within the crust.
-
Magma rises up through cracks in the crust to form a large magma basin below the surface. The pressure causes a bulge.
-
Two plates move towards each other.
-
A destructive landslide or mud flow takes place and dries up on the earth's surface.
Frage 9
Frage
An earthquake is the shaking and vibration of the Earth's crust due to the movement of tectonic plates.
Antworten
- True
- False
Frage 10
Frage
LEDCs suffer more from earthquakes than MEDCs
Antworten
- True
- False
Frage 11
Frage
What does a seismometer detect?
Antworten
-
Strength and magnitude of an earthquake.
-
Where the epicentre is.
-
The severity of an earthquake.
-
Vibrations caused by earthquakes.
Frage 12
Frage
What is the focus of an earthquake?
Antworten
-
The point where the pressure is released.
-
The point above the epicentre.
-
The point below the epicentre.
-
The place where the most damage of an earthquake occurs.
Frage 13
Frage
What are some precautions that could be taken to reduce the effects of an earthquake?
Antworten
-
Have buildings with interlocking steel frames
-
Build buildings further apart
-
Remove gas mains
-
Close some roads
Frage 14
Frage
A tsunami occurs when the oceanic crust replaces the continental crust on the ocean floor.
Antworten
- True
- False
Frage 15
Frage
What is the main impact of a tsunami?
Antworten
-
Aftershock
-
Flooding
-
Water retreating
-
Less water in the sea
Frage 16
Frage
Farmers move their cattle to the top of the fold mountain during summer because it is warmer.
Antworten
- True
- False
Frage 17
Frage
What are the two first steps of a fold mountain formation?
Antworten
-
Rivers flow into the ocean.
-
The continental plate displaces the oceanic crust.
-
Two plates push up against each other.
-
Sediments deposit in the geosyncline.
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