What is a volcano?, The movement of the Earth's crust by the movement of plate boundaries, ​It is the shaking and vibration of the Earth's crust due to movement of the Earth's plates., Is a hole or crack through which magma erupts onto the surface., They can form at any type of plate boundary, Where do volcanic eruptions tend to take place?, Conservative plate boundaries, Destructive plate boundaries, Constructive and destructive plate boundaries, At any type of plate boundary, A volcano that is flat and wide is called:, A cone volcano, A shield volcano, A composite volcano, Which of the statements listed below is a positive aspect of a volcanic eruption?, Lava flows and lahars (mud flows) clear areas of woodland, agriculture and destroy settlements, The lava and ash deposited provide valuable nutrients for the soil, Many lives can be lost as a result of a volcanic eruption., Which of the following is a short-term response to an eruption?, Evacuating people who may be affected by the eruption, Building a volcanic observatory, Some settlements will need to be abandoned permanently, Some volcanoes happen underwater, along the seabed or ocean floor. True of false?, True, False, The .................... is the main outlet for the magma to escape, Main vent, Magma chamber, Secondary vent, .............................. fast moving clouds of ash, rock and gas., Lava, Gas clouds, Pyroclastic flows, .......................... are the most dangerous volcanoes., Shield, Dome, Stratovolcanoes, The strenght of an eruption is measured on the .........., Mercalli scale, Richter scale, VEI, Giant rocks thrown from the volcano, Magma, Lava, Volcanic bombs, Laharas, Pyroclastic flow, Which potential impact is not shared with earthquakes?, Loss of life and damage to property, Detroyed habitats, Ash fall, Identify the type of volcano, Shield, Dome, Fissure volcano, Identify the type of volcano, Shield, Dome, Fissure volcano, People in high-income countries are much less likely to have the capacity to cope with volcanic eruptions., True, False, .............. can detect the movements in magma below the surface., Tiltmeters, From space we can....., Seismometers, Which one is NOT a way of reducing the risk before an eruption, Local people can be educated about how to react, Shelters can be built, Ahs fall may need to be cleared from rooftops.

Volcanoes

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