7 C M A S T E R

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7 C M A S T E R - Presentation Transcript

  1. By: Anne Veen
  2. Do you actually know how a volcano works??? Well if you don’t than you will find out right now!!! When a volcano is going to erupt there will be an earthquake. Rocks will start moving and lava will start coming up and then suddenly… Lava comes out!!!
    • Most active volcano in the Philippines
    • Since 1616 there were more than 47 eruptions
    • Between 1616 and 2000 more than 1300 people died
    • Most resent eruptions were in 1947, 1984 and 1993
    • Disadvantages:
    • They ruin peoples homes
    • Ruin natures
    • Kill people
    • People don’t know when they are going to erupt
    • Poisonous gasses
    • Advantages:
    • Minerals in volcano rocks
    • After thousands of year changes in good soil
    • Tourism
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    • The volcano could erupt and destroy all of the land around it.
    • Which also means it destroys houses and offices.
    • Bad gases, ash, vapor comes out of the volcano.
    • As well as flying rocks that are huge and hot.
    • Snow on the peak could suddenly melt causing flooding and rivers of mud, trees, muck could destroy everything downstream along the river.
    • Volcanoes can cause earthquakes. Along the coast a tsunami could be formed .
    • Volcanoes are a great view in nature like a tropical paradise.
    • You can go for a walk on fresh, but slightly cooled lava which has been formed by the previous eruption.
        • They’re like black sand beaches.
    • In the pacific northwest of the USA, the terrain is beautiful, with snow covered in the peaks, rivers, lots of hills and forests.
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  7. Volcanoes How volconoes work ? What is my model based on ? Advantages and disadvantages
  8. How volcanoes work Ash cloud Secondary cone Magma chamber Lava flow Main vent The first symptoms of an explosion are earthquakes and land slides.Eathquakes are caused with the magma chamber under high pressure, making crakes on the surface.In the main vent there is stone from previous eruptoins.That makes the volcano like a bomb before the eruption.Sometimes a half of a volcano ripes of.
  9. What is my model based on ?
    • To be accurate my model is based on nothing just on a picture from the internet.
  10. Advantages and disadvantages
    • A advantage is that you can predict a explosion a long time before the explosion.
    • A big disadvantage is that if from previous eruptions there is a lot of old magma what has already hardened it is like a lid so it makes the eruption a lot more bigger.

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