VOLCANOES

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VOLCANOES By Karinsa Kelly
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What is a Volcano?
A volcano is most commonly a conical hill or
mountain built around a vent that connects with
reservoirs of molten rock below the surface of
the Earth. The term volcano also refers to the
opening or vent through which the molten rock and
associated gases are expelled.
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The three main types of volcanoes
Shield Low viscosity magma continuous
eruptions build up many layers of lava
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The three main types of volcanoes
Composite, or stratovolcano built up from many
periodic eruptions of more viscous lava
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The three main types of volcanoes
Cinder cone most common, smallest, sometimes
found on the sides of other types of volcanoes
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Now lets make our own volcanoes!
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• Here are the directions!
• Build your volcano shield, composite, or cinder
  cone. Remember to leave an opening in the top!
• Into your food coloring cup, pour the vinegar and
  dish soap. Mix with craft stick.
• Put on your GOGGLES! Safety is awesome.
• Pour baking soda into your cup inside your
  volcano.
• Pour vinegar mixture into your cup inside your
  volcano.
• Wow!
• If you would like another eruption, use 1 tble
  bs, 2 tble vinegar, few drops each dye and soap.

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How is our volcano like this one?
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VOLCANOES IN YOUR BACKYARD!
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Why study volcanoes?

• Volcanoes are dangerous!
• Lahars
• Pyroclastic flows
• Hot lava!
• Earthquakes

• Volcanoes are also good!
• Soils
• Weather
• Geothermal Energy
• The origin of life???

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http//hvo.wr.usgs.gov/gallery/kilauea/volcanomovi
es/movies/Ep5720drainback20-20July205-6,20200
7-small.mov http//hvo.wr.usgs.gov/gallery/kilaue
a/volcanomovies/movies/Drainhole20pistons20day2
0-20Jun203,202006-small.mov