The Impact of Volcanoes (Grade 10 NSC Matric Geography): Flashcards
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Practise the cards
10 cards from this deck
How volcanic lava creates fertile soil
How volcanic lava creates fertile soil
Gradually breaks down through weathering processes
What volcanic ash contains
What volcanic ash contains
Essential nutrients that enrich soil
Volcanic energy source for electricity
Volcanic energy source for electricity
Geothermal power stations using hot springs/geysers
Volcanic rock for construction
Volcanic rock for construction
Dolerite - valued for strength and durability
Effect of ash-filled clouds on global weather
Effect of ash-filled clouds on global weather
Can cause world's temperature to cool temporarily
Volcanic gases environmental impact
Volcanic gases environmental impact
Toxic gases contribute to acid rain and air pollution
What eruptions melt causing mud flows
What eruptions melt causing mud flows
Snow and ice
Mount Merapi 2010 ash cloud height
Mount Merapi 2010 ash cloud height
As far as 5,000 metres into atmosphere
Mount Merapi 2010 deaths (2-week period)
Mount Merapi 2010 deaths (2-week period)
More than 140 people
Arenal volcano altitude
Arenal volcano altitude
1,720 metres above sea level