Types of Lava/Magma

Rocks start to melt at what degrees Celsius?

• 1400 - 1600

• 800 - 1200

• 0 - 100

• 1000 - 1200

As the amount of gases in magma increases, its explosiveness is also increased.

• True

• False

This type of lava is more dangerous and can be found in Cinder Cone volcanoes.

• Granitic

• Basaltic

• Rhyolitic

Name one of the four gases inside of magma.

• Water Vapor

• Hydrogen Sulfide

• Hydrogen Oxide

• Carbon Dioxide

Lava can never be thin.

• True

• False

Presence of this substance affects the fermentation of magma.

• Rocks

• Oxygen

• Air

• Water

This term describes the resistance a liquid has to moving.

• Viscosity

• Intrusive

• Extrusive

• Tephra

As this increases, the temperature will also increase.

• Viscosity

• Pressure

• Melting point

• Depth

Lava is as fast as a kangaroo and is more dangerous than the pyroclastic flow.

• False

• True

Pyroclastic Flow

• The lava inside of the Earth

• The ash, rocks, and gases after a volcano eruption.

• The Magma on the Earth's surface.

• The water left over from an eruption.