6 Science: Ch. 8 - Volcanoes

Lava that is very runny probably

• has been called below the surface

• has a high silica content

• comes from explosive volcanoes

• has a low silica content

_______________ takes many forms, including volcanic bombs, volcanic blocks, and ash.

• Magma

• Pyroclastic Material

• Rifts

• Craters

Where are volcanoes most likely to form?

• along plate boundaries

• in mountainous areas

• near the center of continents

• in deep canyons

Tags

NGSS.MS-ESS2-3

A (a)   results when an empty magma chamber collapses.

Volcanic activity is common along the Mid-Atlantic Ridge. This activity occurs at a ________________.

• transform boundary

• convergent boundary

• divergent boundary

• break in the contintental crust

Tags

NGSS.MS-ESS2-3

A volcano made of alternating layers of lava and pyroclastic material; also called stratovolcano

• cinder cone

• mountainous

• shield

• composite

Tags

NGSS.MS-ESS1-4

A hole or crack in the Earth's crust through which magma rises to the surface

• rift

• magma chamber

• vent

• caldera

A funnel shaped pit around the central vent of a volcano

• caldera

• magma chamber

• rift

• crater

Which of the following is NOT considered when predicting volcanic eruptions?

• atmospheric humidity

• seismic activity

• internal temperature

• changes in the cone's slope

Tags

NGSS.MS-ESS3-2

A large, gently sloped volcano that forms from repeated non-explosive eruptions of lava

• cinder cone

• composite

• shield

• crater