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WorksheetsChapter 7 Test Review
Total questions: 10
Worksheet time: 10mins
What do you call the solid fragments that erupt from a volcano?
ash
tephra
lava
magma
How does lava with a high viscosity flow?
quickly
slowly
not at all
What do you call a rapidly flowing mixture of volcanic debris and water?
lahar
landslide
avalanche
eruption
What do you call a volcano that does not form along plate boundaries?
island
shield
hot spot
vent
A lava dome forms when thick lava erupts slowly from a vocano's ________.
cone
vent
funnel
caldera
How would you describe basaltic lava?
high silica; low viscosity
low silicia; high viscosity
low silica; low viscosity
high silica; high viscosity
How would you describe granitic lava?
high silicia; low viscosity
high silicia; high viscosity
low silica; low viscosity
low silica; high viscosity
Which volcanic feature describes magma that cuts across rock layers and hardens?
caldera
dike
batholith
sill
What is formed when two oceanic plates move toward each other?
volcanic arc
island arc
divergent boundary
shear stress
Where are the three places that volcanoes can occur?
hot spots, islands, mountains
divergent boundaries, allegiant boundaries, hot spots
convergent boundaries, divergent boundaries, hot spots
convergent boundaries, hot spots, islands
