Geology Overview

How was your break?

• Just what I needed

• It was cool

• Not much of a break, but no school was nice

• I missed school TOO much!

If a volcano has not erupted for a very very very long time, and there is not an active magma chamber under it, scientist consider the volcano to be ___________.

• active

• dormant

• extinct

• I am unsure

If a volcano hasn't erupted in a few hundred years and it still has an active magma chamber, scientist consider this volcano to be ___________.

• Active

• Dormant

• Extinct

• I am unsure

If a volcano erupts consistently, scientist consider this volcano to be ___________.

• Active

• Dormant

• Extinct

• I am unsure

What causes volcanoes to form?

• heat from the sun

• earthquakes

• plate tectonics

• i am unsure

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

Which volcano listed is usually the tallest?

• Sheild

• Cone

• Caldera

• Composite

• I am unsure

True or False: cone volcanoes form on or around composite and shield volcanoes

• True

• False

• I am unsure

The islands of Hawaii are a great example of what kind of volcano?

• Composite

• Caldera

• Shield

• Cone

• I am unsure

What is viscosity, look for the definition if you forgot, but please put it in your own words.

Tags

NGSS.MS-PS1-4

If magma has a high viscosity, it is thick and sticky, what type of eruption occurs? effusive or explosive?