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Volcanic Eruptions

Published on Feb 04, 2016

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PRESENTATION OUTLINE

VOLCANIC ERUPTIONS

BY BOBBY

INSIDE/UNDER VOLCANOS

  • There are pockets of lava under volcanos called magma chambers
  • There are things that look lile bowls around volcanos called craters
  • The lava flow of ones volcano is the area the lava covers as it pours out
Photo by Karlbert

PUSH IT

  • What pushes magma to the surface?
  • The gases in the magma rush to the surface causing the volcano to erupt
Photo by gnuckx

QUIET ERUPTIONS

IN QUIET ERUPTIONS THE MAGMA OOZES OUT QUICKLY
Photo by pfly

EXPLOSIVE ERUPTIONS

EXPLOSIVE ERUPTIONS ARE LOUD AND THE LAVA IS THICK SO IT POURS OUT SLOWLY

VOLCANO HAZARDS

  • Volcanic ash can cover whole citys
  • Eruptions can cause terrible landslides
  • If a jet plane flies through volcanic ash the engine may stall
Photo by sjrankin

BOBBY THANKS YOU FOR LISTENING