active earth volcanoes and earthquakes we are learning to understand that there are different types...
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Active EarthActive EarthVolcanoes and EarthquakesVolcanoes and Earthquakes
We are learning to understand We are learning to understand that there are different types of that there are different types of
volcanoes.volcanoes.
Odd one OutOdd one Out
Ash
Gas
Magma
Lava
Floods and Mudflows
Disease spreads
People evacuated
Sap in trees boils
Volcanologist
Plate
Crust
Mantle
Asia
United States of America
Eurasian
Juan de Fuca
Are all Volcanoes the same?Are all Volcanoes the same?
Where are the earths plates?Where are the earths plates?
Starter: Starter:
• Complete the word search.
• What do each of the words mean, on the Back of the sheet write a simple definition of 5 of the words you know.
Composite Cone
The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence.
Mt St Helens - USA
Conelet
Dyke
Crater
Ash layer
Lava Layer Flank eruption
LavaFlow
Crust
Pyroclastic Flow
Mount Saint Helens, USAMount Saint Helens, USA
Shield ( Basic) Cone
Shield Volcanoes are enormous featuresbuilt up only from layers of lava. They produce lots of lava but they tent not to erupt violently.
Mauna Loa Hawaii -USA
250 miles
10,000m
Composite volcano to scale
Layers of Lava Lava Flow
Mauna Loa, HawaiiMauna Loa, Hawaii
Soufriere Hills, West IndiesSoufriere Hills, West Indies
Ash and Cinder ConeParacutin - Mexico
Layers of Ash and Cinder
Volcanic Bombs
Pipe
The volcano is built up of layers of ASH. When it erupts it is normally with great explosive force.
3,000m
Heimaey, IcelandHeimaey, Iceland
MainMain
• Copy the Volcano Type diagrams, give and example of each.
Active EarthActive Earth
You should:
• Know some key volcano words.
• Understand that there are different types of volcanoes.