Volcano to Thermal Energy

Generally it refers to an opening or vent on a planet’s crust from which molten rocks and ash (pulverized rock and pumice) may come out.

• Mountain

• Hill

• Volcano

• Magma

_____________-or the Apex of a volcano; the highest point.

• Base

• Slope

• Summit

• Magma Chamber

________ sides or flanks of the volcano that radiates from the main or central vent.

• Base

• Slope

• Summit

• Magma Chamber

________________ is the funnel-shaped mouth/ opening of a volcano on top of the vent from which magma, ash and gas come out.

• conduit

• Slope

• crater

• Magma Chamber

________ is an underground central tube-like/ pipe-like structure of a volcano that connects the magma chamber to the crater.

• conduit

• Slope

• crater

• Magma Chamber

It is the lowest outer part of the volcano.

• Base

• Slope

• Summit

• Magma Chamber

In terms of frequency of eruption, volcanoes can be classified as___________

Sometimes volcanoes are also classified as Dormant or Extinct.

• effusive and explosive

• cinder cone, composite and shield volcano

• active and inactive

If a volcano has erupted within the last _____ years, it is considered as Active volcano.

• 1, 000

• 10, 000

• 10, 000

• 100, 000

This definition would approximately include _____active volcanoes worldwide. if we consider that volcano has erupted for the last 10, 000 years.

• 5

• 15

• 150

• 1500

But others would only consider volcanoes active if it has erupted in recorded history, with this definition, there could only be _______active volcanoes on Earth.

• 5

• 50

• 500

• 5000