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Slide Notes

This Is A Slide Show About Volcanoes , Important Facts & Important Needs About Volcanoes . Also Includes Pictures Of Volcanoe Things .
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Volcanoes

Published on Nov 18, 2015

It is about Imformation about volcanoes

PRESENTATION OUTLINE

JAILA ELLIS AND LADASHA WRIGHT

4TH PERIOD
This Is A Slide Show About Volcanoes , Important Facts & Important Needs About Volcanoes . Also Includes Pictures Of Volcanoe Things .
Photo by melstampz

VOLCANIC FACTS

  • Volcanoes are openings in the earth's surface
  • When active it will erupt
  • Volcanoes are usually located where tetonic plates meet
  • The liquid in the volcano is known as magma/lava
  • The biggest volcano in our solar system is Olympus Mons
Photo by gnuckx

DID YOU KNOW?

  • The word volcano comes from the little island of VULCANO
  • Volcano eruptions can send ash over 30km into the air
  • Volcanoes can be found on the ocean floor
  • Pumice is a very unique rock that can float in water
  • Some famous volcanic eruptions like Mt Krakatoa in 1883

LAVA LAKES

  • Lava lakes are volumes of, molten lava
  • usually basaltic, contained in a volcanic vent, crater, or broad depression.
Photo by Karlbert

MAGMA

  • Fresh volcanic ash made of (Pulverized) rock can be harsh
  • Magma is a mixture of molten or semi-molten rock, volatiles

LAVA ROCKS

A LAVA ROCK IS A ROCK FORMED FROM MAGMA
Photo by pierre c. 38

DID YOU KNOW ?

  • There are around 1,500 active volcanoes in the world today
  • A volcano is considered “active” if it has erupted within the last 10,000 years
  • 75% of the world’s active volcanoes are located in the Pacific Ring of Fire
Photo by coolinsights

THE END

The Volcanic Presedger Is Over .
Photo by melstampz