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Investigation 3.1b
 

Investigation 3.1b

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    Investigation 3.1b Investigation 3.1b Presentation Transcript

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