Volcano Parts Quiz

What is the main part of a volcano where molten rock is stored?

• Vent

• Magma chamber

• Crater

• Cone

Fill in the blank: The _______ is the opening through which magma, gases, and ash are expelled during an eruption.

Which part of the volcano is described as a bowl-shaped depression?

• Magma chamber

• Vent

• Crater

• Cone

What role does the volcanic pipe play in a volcano?

• It stores molten rock.

• It is the opening for eruptions.

• It allows magma to rise to the surface.

• It forms the cone of the volcano.

Open-ended: Describe how the cone of a volcano is formed.

Match the following parts of a volcano with their descriptions: 1. Magma chamber 2. Vent 3. Crater 4. Cone

• Bowl-shaped depression

• Opening for eruptions

• Underground pool of molten rock

• Formed by layers of volcanic debris

Which of the following statements is true about secondary vents and craters?

• They are always larger than the main vent.

• They can form on the sides of the volcano.

• They are located in the magma chamber.

• They do not expel any volcanic material.

Fill in the blank: The _______ is made up of layers of lava, ash, and other volcanic debris.

What happens when pressure builds up in the magma chamber?

• The volcano becomes dormant.

• The magma cools and solidifies.

• The magma rises through the volcanic pipe.

• The cone collapses.

Open-ended: Explain the relationship between the magma chamber and the volcanic pipe.