Volcanoes Erupt Quiz

What is the thick flowing substance called when rocks slowly melt within the Earth?

• Magma

• Ash

• Lava

• Tephra

What causes magma to rise and collect in magma chambers?

• It is lighter than the solid rock around it

• It is heavier than the solid rock around it

• It is colder than the solid rock around it

• It is denser than the solid rock around it

What is the name given to magma that has erupted to the Earth's surface?

• Ash

• Tephra

• Lava

• Magma

What determines the explosivity of a volcanic eruption?

• The temperature of the magma

• The composition of the magma

• The location of the magma chamber

• The size of the volcano

Tags

NGSS.HS-ESS1-5

What happens when thin and runny magma erupts from a volcano?

• It solidifies immediately

• It flows out of the volcano

• It turns into gas

• It forms a new volcano

What can blast out clouds of hot tephra from the side or top of a volcano during an explosive eruption?

• Gases

• Magma

• Lava

• Ash

What do fiery clouds from explosive volcanic eruptions do as they race down mountainsides?

• Cool down

• Create new mountains

• Destroy almost everything in their path

• Form new rivers

Tags

NGSS.MS-ESS3-2

What falls back to Earth like powdery snow after being erupted into the sky?

• Magma

• Lava

• Tephra

• Ash

What can suffocate plants, animals, and humans if erupted ash blankets the area?

• Tephra

• Lava

• Ash

• Magma

Tags

NGSS.MS-ESS3-2

What forms when hot volcanic materials mix with water from streams or melted snow and ice?

• Ash deposits

• Mudflows (lahars)

• Tephra clouds

• Lava flows

Tags

NGSS.MS-ESS3-2