Volcanoes

Front

Why does magma tend to rise to the surface? Options: It has large amounts of silica., It contains very little silica., It is denser than the surrounding material., It is less dense than the surrounding material.

Back

It is less dense than the surrounding material.

Front

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

Back

Magma

Front

The formation of magma depends on which set of conditions? Options: Pressure, Density, and Water Content, Temperature, Density, and Pressure, Temperature, Density, and Water Content, Temperature, Pressure, and Water Content

Back

Temperature, Pressure, and Water Content

Front

The volcanoes on the Hawaiian Islands form due to which of the following? Divergent Boundary, Hot Spot, Subduction Boundary, Transform Boundary

Back

Hot Spot

Front

What type of lava cools quickly and forms rock with jagged edges? Options: Aa, Magma, Pahoehoe, Pillow Lava

Back

Aa

Front

What type of lava cools slowly and forms rock with smooth, ropelike features? Options: Aa, Magma, Pahoehoe, Pillow Lava

Back

Pahoehoe

Front

What is the resistance of a liquid, such as lava, to flow? Options: Elasticity, Pyroclasticity, Silica, Viscosity

Back

Viscosity

Front

What are solid rock fragments that are ejected during a volcanic eruption?

Back

Pyroclastic Material

Front

What type of volcano is made of pyroclastic material that has been ejected from a volcanic vent?

Back

Cinder Cone

Front

What type of volcano is Kilauea, which is located in Hawaii? Options: Caldera, Cinder Cone, Composite Volcano, Shield Volcano

Back

Shield Volcano