Ch.2 Volcano

Question 1

Active volcano

Answer 1

A volcano that is still erupts quite regularly

Question 2

Dormant volcano

Answer 2

A volcano that hasn’t erupted in a long time but might still erupt

Question 3

Extinct volcano

Answer 3

A volcano that hasn’t erupted in historical times and will not ever erupt again

Question 4

Lava

Answer 4

A hot molten liquid that erupts from a volcano or fissure, magma once it reaches the surface

Question 5

Volcano

Answer 5

A mountain formed by the eruption of magma on the earths surface through a hole or vent in the earth’s crust

Question 6

Vent

Answer 6

A hole in the earths crust that magma flows up from

Question 7

Silica

Answer 7

A mineral that makes magma explosive (depending on how much silica is in the magma)

Question 8

Cone

Answer 8

The shape a mountain

Question 9

Hotspots

Answer 9

Where magma forces its way up through the middle of a plate as in erupts

Question 10

Crater

Answer 10

The hole at the top of a volcano

Question 11

Name 2 dormant volcanoes

Answer 11

Mount Fuji, Japan
Mount Kilmajaro, Tanzania

Question 12

Name 2 active volcanoes

Answer 12

Mount Etna, Italy
Mount St Helens, USA

Question 13

Name 2 extinct volcanoes

Answer 13

Selmish mountain, Co. Antrim
Tamu massif

Question 14

Name a few facts about a case study on a volcanic eruption

Answer 14

E-15 (under a huge glacier)
Iceland, April 14th 2010
Dormant for 200 years
Ash blew across Europe and Atlantic

Question 15

Name 3 environmental impacts of a volcano erupting

Answer 15

New land
Soil fertile (ash dust)
Pollute atmosphere

Question 16

Name 3 economic impacts of a volcano erupting

Answer 16

Direct tourism
Cost of repair
Geothermal energy

Question 17

Name 3 social impacts of a volcano erupting

Answer 17

Death or injury
Forced migration
No clean water (disease)

Question 18

Say a short paragraph about economic impacts

Answer 18

Planes were unable to fly so people who had jobs like pilots and stewards were unable top work

Question 19

Say a short paragraph about environmental impacts

Answer 19

The eruption sent lots of ash into the atmosphere. This made solid fertile and crops began to grow very fast. There was widespread flooding

Question 20

Say a short paragraph about social impacts

Answer 20

Because of close monitoring, nobody got hurt. Some people had to evacuate their home. People had to keep all their windows and doors closed. The ash polluted the air

Question 21

Name 3 landforms made by a volcanic eruption

Answer 21

Volcano
Mid-ocean ridge
Plateau

Question 22

Magma

Answer 22

The hot substance found under the earth’s crust

Question 23

Volcanologist

Answer 23

someone who’s job is to study and predict volcanic activity

Question 24

VEI (volcanic explosivity index)

Answer 24

Used to measure the force of volcanic eruptions