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Investigation 3.1b


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Investigation 3.1b

  1. 1. Nankoweap Canyon
  2. 2. North Canyon
  3. 3. Rock Sorting <ul><li>Sort rocks from North Canyon into groups </li></ul><ul><li>Sort rocks from Nankoweap Canyon into groups </li></ul><ul><li>Make up a descriptive name for each group of rocks </li></ul>
  4. 4. Limestone <ul><li>Contains calcite </li></ul><ul><ul><li>Reacts with hydrochloric acid </li></ul></ul><ul><ul><li>When scientists observe this reaction they know that one of the minerals in the rock is Calcium Carbonate (calcite) and therefore is Limestone </li></ul></ul><ul><ul><li>CaCO 3 + 2HCl CaCl 2 + H 2 O + CO 2 </li></ul></ul>
  5. 5. Sandstone <ul><li>Name geologists give to rocks that are made out of sand particles cemented together </li></ul>
  6. 6. Shale <ul><li>Smooth textured rock that doesn’t fizz with acid </li></ul>
  7. 7. Reflection page 8 <ul><li>Create a poem, chart, story, and/or mnemonic to help differentiate between the 3 rock types in the Grand Canyon – limestone, shale and sandstone </li></ul>