Volcano

Question 1

What does dormant mean

Answer 1

It has not been erupting for year but is possible in the future

Question 2

Extinct

Answer 2

It will no longer erupt

Question 3

Active

Answer 3

Erupting volcano

Question 4

What is the name for a chain of vocanoes

Answer 4

Ring of fire

Question 5

Eg of dormant

Answer 5

Mount Fuji

Question 6

What boundary does shield volcano occur

Answer 6

Divergent

Question 7

What boundary does strato volcano occur

Answer 7

Convergent

Question 8

Lava of shield

Answer 8

-Low silica
-low viscosity

It flows easily and solidifies slower

Question 9

Erupting of shield

Answer 9

It allows gas to escape easily which flows more easily up the vent before reaching surface

It is less explosive

Question 10

Sheid shape

Answer 10

Gentle sloping side and broad summit

Question 11

Eg. Of shield

Answer 11

Erts Ale in Ethopia

Question 12

Strato eg

Answer 12

Mount Pinatubo Phillipines

Question 13

Strato lava

Answer 13

High silica and high viscosity
Difficult to flow and solidifies slower

Question 14

Strato eruption

Answer 14

Traps gas easily, build up of pressure
As it travels up the vent the gas expands
More explosive

Question 15

Shape

Answer 15

Steep sides and gentler base, after each eruption the lava covers the layer of ash from eroding away

Question 16

Volcano risks

Answer 16

• lava temp of 500-1400
• areas it flows through will be burnt
• damages properties esp low silica and viscosity vol as it travels long dist

Question 17

Volcano benefits

Answer 17

Fertile volcanic soil
-lava and ash from eruptions will break down to form fertilizer
- volcanic rocks will have to be weathered down for thousands of years before becoming fertilizer

Question 18

Risks

Answer 18

-lava
-pyroclastic flow
- volcanic bombs rocks
-pollution

Question 19

Benefits

Answer 19

-fertile volcanic soil
- precious stones and minerals
-tourism
- geothermal energy