Earth Science - Volcanoes

The name given to particles produced in volcanic eruptions is

• lahar
• pyroclastic material
• ash
• lapilli

All of the following would contribute to viscous lava EXCEPT ___

• increased temperature
• increased amounts of dissolved gases
• increased amounts of silica
• decreased temperature

Tags

NGSS.HS-ESS2-3

Whether a volcano erupts quietly or violently depends on all of the following EXCEPT ___

• composition of magma
• temperature of magma
• depth of magma
• dissolved gases in magma

Tags

NGSS.HS-ESS2-3

At what type of plate boundary would an explosive volcano most likely occur?

• continental-continental divergence
• transform boundary
• oceanic-oceanic divergence
• oceanic-continental convergence

Tags

NGSS.HS-ESS2-1

Where do most volcanoes occur?

• hot spots
• Pacific Ring of Fire
• divergent plate boundaries
• high latitudes

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS1-5

By analyzing the types of ___ found in lava, geologists concluded there are ___ main types of eruptions.

• gases / 2
• minerals / 5
• magma / 2
• minerals / 2

Tags

NGSS.HS-ESS2-3

Which type of volcano is made up of mostly silica-rich magma?

• cinder cone
• composite cone
• shield cone
• none of the volcanoes have silica-rich magma

___ volcanoes usually only erupt over a short history, then the magma solidifies in the magma chamber.

• Cinder cone
• Composite cone
• Shield cone
• active

Tags

NGSS.MS-ESS3-2

If a volcano's magma is high in silica, the volcano will probably

• erupt quietly
• remain dormant
• erupt explosively
• produce dark color lava

Highly explosive volcanoes tend to have what type of magma?

• magma with high silica, high viscosity, and higher gas content
• magma with low silica, low viscosity, and lower gas content
• magma with low silica, high viscosity, and lower gas content
• magma with no silica, high viscosity, and no gas content

Tags

NGSS.HS-ESS2-3