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Rocks

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Rocks

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  1. Rocks

  2. Sedimentary Rocks Metamorphic Rocks Igneous Rocks Types of Rocks

  3. Sedimentary RocksHow They are Made • Wind and water break down the earth • Bits of earth settle in lakes and rivers • Layers are formed and build up • Pressure and time turn the layers to rock

  4. Sandstone Limestone Gypsum Conglomerate Shale Types of Sedimentary Rocks

  5. Metamorphic RocksWhat are They? • Rocks that have changed • They were once igneous or sedimentary • Pressure and heat changed the rocks

  6. Schist Gneiss Types of Metamorphic Rocks

  7. Igneous RocksWhat are They? • Fire Rocks • Formed underground by trapped, cooled magma • Formed above ground when volcanoes erupt and magma cools

  8. Scoria Granite Pumice Obsidian Types of Igneous Rocks

  9. Rocks Have Been Used For Many Years and For Many Things

  10. IGNEOUS ROCK

  11. SEDIMENTARY ROCK

  12. METAMORPHIC ROCK