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Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
Rocks
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Rocks

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Transcript

  • 1. Rocks
  • 2. Types of Rocks Sedimentary Rocks Metamorphic RocksIgneous Rocks
  • 3. Sedimentary Rocks How They are Made  Wind and water break down the earthWind and water break down the earth  Bits of earth settle in lakes and riversBits of earth settle in lakes and rivers  Layers are formed and build upLayers are formed and build up  Pressure and time turn the layers to rockPressure and time turn the layers to rock
  • 4. Types of Sedimentary Rocks Gypsum Sandstone Shale Limestone Conglomerate
  • 5. Metamorphic Rocks What are They?  Rocks that have changedRocks that have changed  They were once igneous or sedimentaryThey were once igneous or sedimentary  Pressure and heat changed the rocksPressure and heat changed the rocks
  • 6. Types of Metamorphic Rocks Schist Gneiss
  • 7. Igneous Rocks What are They?  Fire RocksFire Rocks  Formed underground by trapped, cooledFormed underground by trapped, cooled magmamagma  Formed above ground when volcanoesFormed above ground when volcanoes erupt and magma coolserupt and magma cools
  • 8. Types of Igneous Rocks Granite Scoria Pumice Obsidian
  • 9. Rocks Have Been Used For Many Years and For Many Things
  • 10. IGNEOUS ROCK QuickTime™ and a Sorenson Video decompressor are needed to see this picture.
  • 11. SEDIMENTARY ROCK QuickTime™ and a Sorenson Video decompressor are needed to see this picture.
  • 12. METAMORPHIC ROCK QuickTime™ and a Sorenson Video decompressor are needed to see this picture.

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