volcanoes

Question 1

define volcano

Answer 1

cone shaped structure with a vent/opening at top where magma is ejected as lava on the outside

Question 2

at what plate boundary do volcanoes occur

Answer 2

convergent and divergent

Question 3

define active stage of volcano and give an example

Answer 3

occurs when volcanic eruptions ongoing
iceland

Question 4

define passive/dormant of volcano and give an example

Answer 4

volcanoes have not erupted in long time (20-50) but show signs of seismic activity
la souferie in st vincent that had not erupted since 1979 but erupted in 2021

Question 5

define extinct stage and give an example

Answer 5

occurs when eruptions cease to exist and no possibility of erupting occurring again
chimborazo and cotopai in ecuador
gran etamp in grenada

Question 6

list 5 materials ejected in volcanoes

Answer 6

igneous molten rock
gases and water
bombs
tephra
pumice

Question 7

list 5 effects

Answer 7

respiratory problems/health issues due to ash and gas ejected
destruction of homes/residential areas by lava flows fires bombs
forced migration
infrastructure damage
loss of life

Question 8

list 5 benefits

Answer 8

resources - gold and copper in large amounts
volcanic ash deposited on soil provides nutrients
tourism through tours to volcanoes and volcanic features like hot springs
medicinal properties like hot springs
geothermal power like steam used as renewable energy to generate electricity