REVIEW Chapter 10 Volcanoes and final

What factors affect the nature of a volcanic eruption?

• Temperature

• Eruption

• Viscosity

• Basaltic

Which term describes lava's resistance to flow?

• Magma's composition

• Magma's temperature

• Magma's concentration of dissolved gases

• Magma's depth inside a volcano's vent

Is it true or false that all volcanic eruptions emit large amounts of gas?

• True

• False

What type of volcano is the product of gas-rich basaltic magma mostly in the form of loose pyroclastic material?

• Cinder cone

• Shield volcano

• Composite cone

• Volcanic neck

What landform develops as a result of the volcanic activity that occurs where one oceanic plate descends beneath another oceanic plate?

• Volcanic island arc

• Rift valley

• Mountain formed by a batholith

• Lava plateau

Tags

NGSS.MS-ESS2-1

At divergent plate boundaries in the ocean, magma rises and melts because of?

• Intrusive plutons at the boundary

• A decrease in pressure

• Higher temperatures at the surface

• Increased silica content of magma

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3

Where does most intraplate volcanic activity occur?

• Oceanic plates diverge

• Mantle plumes rise toward the surface within a plate

• Oceanic and continental plates converge

• Hot magma descends into the mantle under a plate

Tags

NGSS.HS-ESS2-3

What is a volcanic bomb?

• A semimolten particle larger than 64 mm in size ejected as glowing lava

• A pocket of gas that is released suddenly

• A tiny particle of ejected rock less than 64 mm in size

• A very violent volcanic explosion

What are the landforms at divergent ocean plate boundaries?

• Continental arcs

• Island arcs

• Oceanic ridges

• Ocean trenches

When a common type of basaltic lava hardens, it forms a?

• Holes that ooze hot water

• Rough, jagged surface

• Smooth surface that is wrinkled

• Surface made of cinders