Volcanoes (Section 1 & 2)

What is molten rock that has formed deep within the Earth?

• Hot Spot
• Magma
• Lava
• Volcano

What is molten rock that has reached the Earth's surface?

• Aa
• Lava
• Magma
• Pahoehoe

What factor(s) determine(s) whether an eruption will be explosive?

• The amount of gases in the magma
• The amount of silica in the magma
• The amount of gas and silica in the magma
• None of these affect the explosiveness of the volcano

Volcanoes are found...

• on land

• under water

• on islands

• all of the above

A weak spot in the crust where molten material, or magma comes to the surface

• lava
• volcano
• earthquake
• tsunami

Tall, wide mountains in which layers of lava alternate with layers of ash

• Cinder Cone volcano

• Shield volcano

• Composite volcano

• Caldera

A volcano belt that rims the Pacific Ocean

• Belt of Fire
• Ring of Fire
• Hat of Fire
• Earthquake of Fire

Tags

NGSS.MS-ESS3-2

A live volcano

• Dormant volcano
• Active volcano
• Extinct volcano
• Shield volcano

Tags

NGSS.MS-ESS3-2

A sleeping volcano

• Composite volcano
• Active volcano
• Extinct volcano
• Dormant volcano

Wide gentle sloping mountain from lava pouring out of the vent and hardens on top of previous layers

• Earthquake
• Cinder cone volcano
• Composite volcano
• Shield volcano

Tags

NGSS.MS-ESS2-2