All About Volcanoes

How is magma different from lava?

• Magma is solid; lava is liquid

• Only magma is associated with volcanoes

• Magma contains silica; lava has no traces of silica

• Magma exists below the Earth's surface; lava is above

Which volcanic landform is a result of basaltic lava?

• Composite Volcano

• Island Arcs

• Shield Volcano

• Mountains

Which section in the image is showing the diagram of a shield volcano?

• 1

• 2

• 3

Tags

NGSS.MS-ESS2-2

Which section in the image is showing the diagram of a composite volcano?

• 1

• 2

• 3

Tags

NGSS.MS-ESS2-2

Which section in the image is showing the diagram of a cone volcano?

• 1

• 2

• 3

Tags

NGSS.MS-ESS2-2

Which magma type would be most common in composite volcanoes?

• basaltic magma

• andesitic magma

• rhyolitic magma

• none of the answers are correct

If the viscosity of your magma is high, the magma is more likely to...

• make dark colored rocks

• contain trapped gases

• contain small amounts of silica

• leads to non-explosive eruptions

A dense cloud of superheated gas and particles that rapidly comes down the side of a volcano is called ________________.

• lahar

• blocks and bombs

• lapilli

• pyroclastic flow

Tags

NGSS.MS-ESS3-2

During a volcanic eruption, when snow and ice melts and causes a fast moving mudflow, it is called _______________.

• pyroclastic flow

• lahar

• lapilli

• an eruption

Tags

NGSS.MS-ESS3-2

The simplest type of volcano that only erupts once in it's lifetime is a

• shield volcano

• composite volcano

• cone volcano

• caldera