6.1 Volcanic Eruptions

Question 1

molten rock that is forced to the Earth’s surface

Answer 1

Magma

Question 2

areas of the Earth’s surface through which magma and volcanic gases pass

Answer 2

Volcanoes

Question 3

molten rock that is blown into tiny particles that then harden in the air

Answer 3

ash

Question 4

the body of molten rock that feeds a volcano

Answer 4

magma chamber

Question 5

an opening at the surface of the Earth through which volcanic material passes

Answer 5

vents

Question 6

some lava that is so frothy with gas when it reaches the surface that it’s solid form can float in water

Answer 6

pumice

Question 7

when magma is blasted into the air and hardens

Answer 7

Pyroclastic material

Question 8

has a high level of of viscosity and flows slowly

Answer 8

Blocky lava

Question 9

has a high level of viscosity and flows slowly as well

Answer 9

pahoehoe lava

Question 10

has lower amounts of viscosity and flows more quickly

Answer 10

aa

Question 11

has lower amounts of viscosity and flows more quickly as well

Answer 11

pillow lava

Question 12

produced when enormous amounts of hot ash, dust, and gases are ejected from a volcano

Answer 12

pyroclastic flow

Question 13

magma that flows onto Earth’s surface

Answer 13

lava