volcano facts
A volcano that is not currently active is called this
What is dormant
Name the 3 types of volcanoes
What is cindercone, shield, composite
Eruptions can either be one of these 2 things
What are explosive or quiet
A volcano that is erupting smoke, steam, ash, cinders, and flows of lava
What is Active
This type of volcano has gently sloping sides
What is shield
How a volcano erupts depends on what building within the Earth
What is pressure
Magma is slowly forced upward and flows out through an opening called this
What is a vent
This type of volcano is formed by explosive eruptions as lava flows and ash layers exploding over and over again
What is composite
When a little magma is produced it causes this type of eruption
What is quiet, nonexplosive eruptions
The steep walled depression around the volcano’s vent is called this
What is crater
This type of volcano forms when cinder and ash fall to the ground it forms a steep sided, loosely packed volcano
What is cinder cone
This type of volcano has stopped erupting
What is extinct?
Name the 3 different ways a volcano can form based on plate tectonic concepts
plates moving toward each other, plates moving away from each other, hot spots
Mount St. Helens or Mount Shasta are examples of this type of volcano
What is composite
describe how a hot spot forms
the build up of magma in an area of a plate that is not a boundary