8B-Classifying Volcanoes

Question 1

________ volcanoes are flat, dome shaped with gently sloping sides

Answer 1

Shield

Question 2

The ________ islands are examples of shield volcanoes

Answer 2

Hawaiian

Question 3

Eruptions of bursts of gasses that eject Pyroclastic materials (ash, cinder) are called ______ cones

Answer 3

Cinder

Question 4

Eruptions that eject both lava AND Pyroclastic materials form __________

Answer 4

Stratovolcanoes

Question 5

Stratavolcanoes are also called _________ cones

Answer 5

Composite

Question 6

The United States Geological Survey (USGS) defines what 3 types of volcanic activity?

Answer 6

Active volcano
Dormant volcano
Extinct volcano

Question 7

An _______ volcano is currently erupting or has been observed to erupt in historical times

Answer 7

Active

Question 8

A __________ volcano is inactive but uneroded but may experience some earthquakes, which could mean a future eruption is possible

Answer 8

Dormant

Question 9

An ________ volcano shows no signs of seismic or volcanic activity

Answer 9

Extinct

Question 10

The best indicator of a volcano’s destructiveness is its Volcanic ________ Index or VEI for short

Answer 10

Explosivity

Question 11

A volcano’s explosivity is measured in __________

Answer 11

Tephras

Question 12

In what 3 ways do scientists classify volcanoes?

Answer 12

By structure, activity, and explosivity