Restless Earth

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What are the differences between constructive and destructive plate margins?
Constructive plates move away which allows magma to rise and cool creating land (Iceland).Destructive plates destroy land and can create fold mountains and volcanoes.
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What is the biggest gold mine in the world?
Yanacocha Gold Mine, Peru.
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Give 3 ways in which volcanoes are monitored.
Spider Robot- checks gases and sulphur in the crater. Seismic testers- record earthquakes and cracks in the rock from magma, whilst pushing its way up the volcano. Tiltmeters- shows how much of a bulge there is in on the volcano.
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What is a lahar?
When the snow melts and mixes with ash and becomes heavy and like cement.
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What is the Richter scale?
The scale used to measure the magnitude of a tremor using a seismograph.
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What were some primary effects of Eyjafjallajokull?
600 people were evacuated. Day turned into night because of ash cloud. No electricity or hot water. Destroyed farmland and difficulty breathing for the locals.
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Where was Eyjafjallajokull?
South of Iceland on the North American plate moving away from the Eurasion plate.
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name 4 different ways fold mountains can be used.
Farming agriculture, Hydro-electric power, Mining and Tourism.
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Card 2

Front

What is the biggest gold mine in the world?

Back

Yanacocha Gold Mine, Peru.

Card 3

Front

Give 3 ways in which volcanoes are monitored.

Back

Preview of the front of card 3

Card 4

Front

What is a lahar?

Back

Preview of the front of card 4

Card 5

Front

What is the Richter scale?

Back

Preview of the front of card 5
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