VOLCANISM

Volcanoes are formed by the cooling of molten rock called magma.

• TRUE

• FALSE

The main parts of a volcano include the crater, which is the opening at the top, and the magma chamber, where magma is stored underground.

• TRUE

• FALSE

Lava is the term used for molten rock when it's underground, while magma is what it's called when it reaches the Earth's surface.

• TRUE

• FALSE

Volcanic ash, rock, and gases are ejected during a volcanic eruption and can pose hazards to nearby communities.

• TRUE

• FALSE

Shield volcanoes are characterized by steep slopes and explosive eruptions.

• TRUE

• FALSE

What is the term for molten rock beneath the Earth's surface?

• Lava

• Magma

• Ash

• Steam

What term describes volcanic material that flows down the sides of a volcano during an eruption?

• Lava flow

• Pyroclastic flow

• Ash cloud

• Lahar

During a volcanic eruption, what materials can be ejected from the volcano?

• Water

• Soil

• Rocks

• All of the above

What is the main type of activity that occurs in a volcano?

• Earthquakes

• Volcanic eruptions

• Erosion

• Rainfall

What is the name of the opening at the top of a volcano?

• Main vent

• Secondary vent

• Conduit

• Crater