Volcanos ? Flashcards
When a volcano erupts where does the magma come from?
The magma chamber/reservoir
If a volcano is active it is…?
Erupting frequently
Give an example of an extent volcano in ireland
The slemish mountain, co. Antrim
How does a volcano erupt?
It’s erupts when pressure builds up near the surface
What is the top of the volcano called? (Where the lava/magma flows out)
The crater
Name three things fired out into the air by an eruption
Aah
Cinder
Gas
(Or lava)
What is a volcano made up of?
Layers of ash and lava⛄️
What is a secondary cone?
A second come that develops on the side of the first volcano
Name three disadvantages of volcanoes erupting
People killed
Lahars
Huge ash clouds
Name three advantages of volcanoes erupting
Creates new land
Creates fertile soil
Tourist attraction
What is the vent?
It’s where the magma comes up until it bursts out of the volcano and becomes lava
True or false the magma chamber is in the crust
FALSE its in the mantle
Name three features of a volcano
Vent Crater magma chamber Magma Lava Ash, cinder and gas
If a volcano is dormant it is…
Able to erupt but hasn’t in a long time
Name a volcano from Iceland
Surtsey, Mt Hekla or krafla
What happened in 2010?
In 2010 there was an eruption causing a huge ash cloud?
What is the Pacific ring of fire?
It’s where many different plates all meet the Pacific plate. There are a number of active volcano in this area including Mt Pinatubo
What is a geyser?
They throw up hot jets of water
If a volcano is extinct it is…?
Never able to erupt ever again
Are there volcanoes in ireland?
Yes but they’re extinct
