The interior of a volcano

Question 1

What is the central part of a volcano called?

Answer 1

The magma chamber

Question 2

True or False: The magma chamber is located beneath the Earth’s crust.

Answer 2

True

Question 3

What is magma that reaches the surface of the Earth called?

Answer 3

Lava

Question 4

Fill in the blank: The __________ is the opening through which volcanic material is expelled.

Answer 4

vent

Question 5

What is the term for solid fragments ejected during a volcanic eruption?

Answer 5

Tephra

Question 6

Which layer surrounds the magma chamber?

Answer 6

The conduit

Question 7

What is the name of the molten rock beneath the Earth’s surface?

Answer 7

Magma

Question 8

True or False: The crust is the outermost layer of the Earth.

Answer 8

True

Question 9

What is the process called when magma rises to the surface?

Answer 9

Magmatic ascent

Question 10

What type of rock forms from solidified lava?

Answer 10

Igneous rock

Question 11

What is the term for a volcano that is currently erupting or shows signs of erupting?

Answer 11

Active volcano

Question 12

What is the name of the funnel-shaped depression at the top of a volcano?

Answer 12

Crater

Question 13

Fill in the blank: __________ is the term for volcanic gases that are emitted during an eruption.

Answer 13

Volcanic gas

Question 14

What type of volcano is characterized by gentle slopes and primarily produces basaltic lava?

Answer 14

Shield volcano

Question 15

True or False: Stratovolcanoes are known for their explosive eruptions.

Answer 15

True

Question 16

What is the name of the layer of the Earth beneath the crust where magma is found?

Answer 16

Mantle

Question 17

What is the primary component of magma?

Answer 17

Silicate minerals

Question 18

What kind of eruption is characterized by a quiet flow of lava?

Answer 18

Effusive eruption

Question 19

What geological feature is formed from the buildup of tephra around a vent?

Answer 19

Cinder cone volcano

Question 20

Fill in the blank: The __________ is the area around the Pacific Ocean known for frequent earthquakes and volcanic eruptions.

Answer 20

Ring of Fire

Question 21

What is the term for the gradual movement of magma towards the surface?

Answer 21

Magma migration

Question 22

What is the name of the volcanic rock that is formed from rapidly cooled lava?

Answer 22

Obsidian

Question 23

True or False: All volcanoes produce lava during an eruption.

Answer 23

False

Question 24

What is the term for a volcano that has not erupted in a long time but could potentially erupt?

Answer 24

Dormant volcano

Question 25

What is the primary cause of volcanic eruptions?

Answer 25

Pressure buildup from magma

Question 26

What type of volcanic rock is formed from solidified ash and pumice?

Answer 26

Tuff