Important Volcano Vocabulary

What is magma called when it reaches the surface?

• Ash

• Lava

• Rock

• Steam

What occurs when gases, ash, rocks, and/or lava break out of Earth's surface?

• Earthquake

• Eruption

• Tsunami

• Landslide

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

What type of eruption involves trapped gases blasting apart sticky lava?

• Effusive eruption

• Flank eruption

• Explosive eruption

• Lava flow

What type of eruption involves runny lava flowing steadily?

• Explosive eruption

• Effusive eruption

• Flank eruption

• Magma eruption

What is tephra?

• A type of volcanic rock

• Ash and lava fragments thrown into the air during a volcanic eruption

• A type of volcanic gas

• A type of volcanic liquid

What is volcanic ash?

• A piece of tephra that measures less than 2 mm

• A piece of tephra that measures over 64 mm

• A type of volcanic gas

• A type of volcanic liquid

Which of the following is the largest type of tephra?

• Volcanic bomb

• Volcanic ash

• Lava

• Magma

What is the primary component of tephra?

• Water

• Ash and lava fragments

• Gas

• Soil

Which of the following is NOT a characteristic of volcanic ash?

• Measures less than 2 mm

• Thrown into the air during an eruption

• Measures over 64 mm

• A type of tephra

Which of the following is a type of tephra that can be thrown into the air during a volcanic eruption?

• Volcanic bomb

• Lava flow

• Magma

• Water vapor