Volcanos Flashcards
What is a volcano
The eruption of magma through a vent or through a fissure up to the earths surface then its called lava
What is silica
Silica in lava traps gases so when it erupts gasses are relesed
How are volcanos formed
Collide or separating plates magma can rise. It fills into the crust then int a vent then a volcano erupts
What happens to magma when it comes above the crust
It turns to lava
What is the pacific ring of fire
A zone full of volcanos
Where is the pacific ring of fire
Pacific plate
What are hot spots
Where volcanos don’t form on plates edges
Is Iceland a volcanic island
Yes
What are the types of volcanos
Active dormant and extinct
Name one social impact
People killed,migration aircraft or planes disrupted, no clean water
Name one environmental impact
Ash and dust in air, fertile soils, new land, tsumaina
Name one economic impact
Cost or repairs,poverty, jobs gone,
