Earth Science Review--Volancanism/Natural REsources | Baamboozle - Baamboozle

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Volcanism, Natural Resources

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When a tectonic plate moves over a hot spot ......

a chain of volcanoes form

Which one is a cinder-cone volcano?

Which one is a composite volcano?

What is the order of volcanoes, from the oldest to the youngest

Q, R, S, T

What forms when a magma chamber collapses?

caldera

What is a vent?

It is where lava erupts through an opening in Earth's crust

Which type of volcano is the most explosive?

composite volcanoes

Most volcanoes form at plate boundaries. T or F

true

Describe the formation of a caldera.

when the top or side of a volcano collapses into the magma chamber

Why types of volcanoes form where plates move apart

divergent volcanism

Why types of volcanoes form where plates move together

convergent volcanism

Hot spots form at plate boundaries. T or F

F, volcanoes that form far from plate boundaries

Presure decreases with depth below Earth's surface. T or F

Wet minerals and rocks melt at lower temperatures than do dry minerals and rocks. T or F

Relate how the viscosity of magma is related to its explosivity?

higher viscosity= more explosive; lower viscocity = less explosive

An increase in silica increases the viscosity of a magma. T or F

Earth Science Review--Volancanism/Natural REsour ...