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Billy And Ben's Rocks

Published on Nov 18, 2015

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PRESENTATION OUTLINE

BILLY AND BEN'S ROCKS

IGNEOUS

  • Igneous rocks are formed from molten rock and lava
  • They form when lava cools quickly
  • They don't have layers but they often have crystals
Photo by subarcticmike

METAMORPHIC

  • Metamorphic rocks form when heat and pressure change
  • Metamorphic rocks are hard
  • The word metamorphic means "change of form"

SEDIMENTARY

  • Sedimentary rocks have layers
  • They are formed when a lot rocks pile on top of each other
Photo by sunphlo

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  • Our favorite was igneous be
Photo by Kuyan Redman

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