Volcano Lesson 2

What are scientists that study volcanoes called?

• doctor
• vet
• volcanologist
• volcano scientist

A colorless flammable gas which smells like a rotten egg, very toxic in high concentration.

• Hydrogen sulfide

• CO₂

• H₂O

______________form a dissolved component of magma that is released to the atmosphere in large quantities during eruptions.

• Volcanic Gases

• Water

• Energy

Tags

NGSS.MS-ESS3-2

_______________from eruptions can cause animals and humans to suffocate

• CO₂

• H₂O

Tags

NGSS.MS-PS1-2

When a volcano has an explosive eruption, the material that comes out is called

• magma

• tephra

• lahar

• viscosity

Tags

NGSS.MS-ESS3-2

A dense cloud of very hot gases and rock fragments that move downhill is

• rare in most volcanic eruptions

• the ash cloud

• less dense than air

• pyroclastic flow

Tags

NGSS.MS-ESS3-2

Fragments that are about as small as grains of sand.

• Volcanic ash

• Cinders

• Bombs

• Lava

Large lava fragments that are like baseball in size.

• Volcanic ash

• Cinders

• Bombs

• A'a

Volcanoes can change the climate around the globe.

• True

• False

Tags

NGSS.MS-ESS3-2

The eruption of Tambora happened in ____________.

• 79 A.D.

• 1815

• 1980

• 1991

Tags

NGSS.MS-ESS3-2