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science flash cards


Which kind of eruption is associated with pyroclastic material being released. explosive eruption.
What is the difference between lava and magma. Magma is in Earth and lava is above Earths surface.
What process cause hot, solid rock to come through the mantle over hot spots. convection
what flows onto Earths surface during a non-explosive volcanic eruption. lava
Which type of volcano is least likely to have a pyroclastic flow? Why? Shield volcanoes because on the picture there is no pyroclastic flow.
What type of volcano is composed mostly of pyroclastic material? cinder cone
Volcanic islands can sometimes form over hot spots. What land feature should be under a hot spot? The mantle Plume.
What type of volcano has the steepest sides? why? Cinder cone because cinders and ash build up around the vent.
If a volcano erupted alternates between quiet and violent eruptions which type of volcano is it? Composite
When there are long cracks in the Earths surface and magma can sometimes erupt from it what are the cracks called? Fissures
What volcanic features form a small depression around a vent? Crater
Created by: matthewashe