Volcano

What is Magma when it reaches the surface of Earth?

• Lava

• Mafic Magma

• Felsic Magma

• None of these

What is the opening that extends from the magma chamber to the top of the volcano called?

• magma

• lava

• vent

• crater

A volcano that has steep sides and is formed from lava chunks is called

• a shield volcano

• a cinder cone volcano

• a composite volcano

What type of lava forms a wrinkly crust on the surface?

• Pahoehoe

• Aa

• Lapilli

• Ash

Which of these is the largest?

• Ash

• Lapilli

• Volcanic Block

What is / are sign(s) that a volcano may erupt soon?

• Earthquake activity in the area
• Changes in the shape of the volcano
• Different amounts of gas being produced
• All of these are signs

Tags

NGSS.MS-ESS3-2

What do you call a large crater formed by the collapse of a volcano?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano

What stage is a volcano in when it is considered to be "sleeping"?

• Dormant
• Active
• Extinct
• Alive

A volcano that has gentle sloping sides and is formed from runny lava

• Shield volcano
• Cinder cone
• Composite
• None of these

Tags

NGSS.MS-ESS2-2

When an explosive eruption  forms a mixture of hot rock, ash, and gas, this material is called a...?

• Land slide
• Lava
• Eruption trail
• Pyroclastic flow

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2