Ch.2 Volcano Flashcards
Active volcano
A volcano that is still erupts
Dormant volcano
A volcano that hasn’t erupted in a long time but might still erupt
Extinct volcano
A volcano that hasn’t erupted in historical times
Lava
A hot molten liquid that erupts from a volcano or fissure,
Volcano
A mountain formed by the eruption of magma on the earths surface
Vent
A hole in the earths crust that magma flows up from
Silica
A mineral that makes magma explosive (depending on how much silica is in the magma)
Cone
The shape a mountain
Hotspots
Where magma forces its way up through the middle of a plate as in erupts
Crater
The hole at the top of a volcano
Name 2 dormant volcanoes
Mount Fuji, Japan
Mount Kilmajaro
Name 2 active volcanoes
Mount Etna, Italy
Mount St Helens, USA
Name 2 extinct volcanoes
Selmish mountain, Co. Antrim
Tamu massif
Name a few facts about a case study on a volcanic eruption
E-15 (under a huge glacier)
Iceland, April 14th 2010
Dormant for 200 years
Ash blew across Europe and Atlantic
Name 3 environmental impacts of a volcano erupting
New land
Soil fertile (ash dust)
Pollute atmosphere
Name 3 economic impacts of a volcano erupting
Direct tourism
Cost of repair
Geothermal energy
Name 3 social impacts of a volcano erupting
Death or injury
Forced migration
No clean water (disease)
Say a short paragraph about economic impacts
Planes were unable to fly so people who had jobs like pilots and stewards were unable top work
Say a short paragraph about environmental impacts
The eruption sent lots of ash into the atmosphere. This made solid fertile and crops began to grow very fast. There was widespread flooding
Say a short paragraph about social impacts
Because of close monitoring, nobody got hurt. Some people had to evacuate their home. People had to keel all their windows and doors closed. The ash polluted the air
Name 3 landforms made by a volcanic eruption
Volcano
Mid-Atlantic ridge
Plateau
