Volcanoes Flashcards
What is a volcano
An opening or culture in the earths surface or crust which allows hot magma , volcanic ash and gasses to escape from below the surface.
Main vent
The opening for magma to go up through the volcano
Magma chamber
The source of molten rock
Crater
The circular basin shape at the top of the volcano
Secondary cone
A secondary vent formed in the side of a mountain
Volcanic bombs
Airborne material from a volcanic eruption.
Active
Could explode at any moment
Dormant
Sleeping- hasn’t erupted for years
Extinct
Unlikely to erupt ever again.
Tell ‘em about some benefits of volcanoes
Lava produces fertile soil once it’s been weathered.
Geothermal energy means that the cost of living can be massively reduced.
Volcanoes help generate income to the region through tourist numbers.
Volcanoes create new land and provide habitat for several wildlife species.