Q4: Lesson 2 | Volcanic Hazards

Question 1

is a vent or chimney that connects molten rock (magma) from within the earths crust to the earths surface

Answer 1

volcano

Question 2

volcano that often erupts

Answer 2

active

Question 3

volcano that has not erupted for 2000 years

Answer 3

dormant

Question 4

volcano that has not erupted for at least 10,000 years

Answer 4

extinct

Question 5

forms lava domes and comes in small volume

Answer 5

andesitic laba flow

Question 6

the fastest lava flow with low viscosity

Answer 6

basaltic lava flow

Question 7

lava flow with high viscosity and is the slowest and is associated with violent eruptions

Answer 7

rhyolitic lava flow

Question 8

lava flow that has a thicker surface and is associated with violent eruptions

Answer 8

sheet lava flow

Question 9

lava flow that is pillow shaped and underwater lava

Answer 9

pillow lava flow

Question 10

is a hot mixture of fresh lava, gas, rock, pumice, and ash

Answer 10

pyroclastic flow

Question 11

refers to volcanic rock and lava materials that are ejected to air during an eruption

Answer 11

tephra fall

Question 12

a mixture of fresh volcanic material and water

Answer 12

lahar flow

Question 13

formed by heavy rainfall or melted polar ice cap

Answer 13

lahar flow

Question 14

most active volcano in ph

Answer 14

mt. mayon