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Question 1
Question
What are the characteristics of the continental crust?
Answer
-
It is older and very dense
-
It is newer and less dense
Question 2
Question
Earthquakes occur at conservative plate boundaries.
Answer
- True
- False
Question 3
Question
At a constructive plate boundary...
Answer
-
...two plates move away from each other.
-
...two of the same plates collide and force each other up.
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...lava flows and lahars can destroy nearby settlements.
Question 4
Question
Where are shield volcanoes usually found?
Answer
-
Conservative plate boundaries
-
Destructive plate boundaries
-
Collision plate boundaries
-
Constructive plate boundaries
Question 5
Question
You can measure volcanic activity with a tilt meter.
Answer
- True
- False
Question 6
Question
What is a crater?
Answer
-
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.
Question 7
Question
Some effects of a super volcano eruption include:
Answer
-
1,000 Km3 of material is erupted
-
The whole town or city is destroyed
-
There will be worldwide starvation
-
Thousands of lives are lost
Question 8
Question
What is the first step in the formation of a super volcano?
Answer
-
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.
Question 9
Question
An earthquake is the shaking and vibration of the Earth's crust due to the movement of tectonic plates.
Answer
- True
- False
Question 10
Question
LEDCs suffer more from earthquakes than MEDCs
Answer
- True
- False
Question 11
Question
What does a seismometer detect?
Answer
-
Strength and magnitude of an earthquake.
-
Where the epicentre is.
-
The severity of an earthquake.
-
Vibrations caused by earthquakes.
Question 12
Question
What is the focus of an earthquake?
Answer
-
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.
Question 13
Question
What are some precautions that could be taken to reduce the effects of an earthquake?
Answer
-
Have buildings with interlocking steel frames
-
Build buildings further apart
-
Remove gas mains
-
Close some roads
Question 14
Question
A tsunami occurs when the oceanic crust replaces the continental crust on the ocean floor.
Answer
- True
- False
Question 15
Question
What is the main impact of a tsunami?
Answer
-
Aftershock
-
Flooding
-
Water retreating
-
Less water in the sea
Question 16
Question
Farmers move their cattle to the top of the fold mountain during summer because it is warmer.
Answer
- True
- False
Question 17
Question
What are the two first steps of a fold mountain formation?
Answer
-
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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