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What is the outer most layer of the Earth?
Crust
The layer before the crust
Mantle
The Layer in the Centre of the earth
Inner core
Name of the super continent 250 million years ago
Pangaea
Magma can force its way through a gap in the crust called:
Vent
A scientist who studies volcanoes
Volcanologist
The name of a volcano that has eruptde in the past 10,000 years.
Active
The name of the volcano that may not erupt again
Extinct
The place where 2 plates meet.
Plate boundaries
The lava flows out of this
Crater.
Magma chamber
What causes the movement of tectonic plates
Convection currents
Volcanoes may occur at one of these plate boundaries
Convergent/divergent
What do volcanologists do?
How did the Mid-Atlantic Ridge form?
When the Eurasian and North American plates separated
Negative impacts of volcanic eruptions
Contamination, loss of earnings, travel delays, evacuations.
A range of underwater mountains and volcanoes
Mid-Atlantic Ridge
75% of active volcanoes are located here
Pacific Ring of Fire
This volcano erupted in April 2010.
Eyjafjallajökull, Iceland.
The core contains these 2 metals
Nickel and Iron