6th Grade-Ch. 5 Sec. 3 Sedimentary Rocks

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  • 1. Sec. 3
  • 2. sediment
    • small, solid pieces of material that come from rocks or living things
  • 3. Processes that change sediment  sedimentary rock
    • 1. erosion = running water or wind loosen & carry away pieces of rock
  • 4. Processes that change sediment  sedimentary rock
    • 2. deposition = sediment settles out of water or wind ↓
  • 5. Processes that change sediment  sedimentary rock
    • 3. compaction = presses sediment together
  • 6. Processes that change sediment  sedimentary rock
    • 4. cementation = dissolved minerals crystallize & glue sediment together
  • 7.  
  • 8.  
  • 9. Types of sedimentary rock
  • 10. clastic rock
    • rock fragments squeezed together
    shale sandstone
  • 11. conglomerate
    • clastic rock made up of large fragments w/ rounded edges
  • 12. breccia
    • clastic rock made up of large fragments w/ sharp edges
  • 13. organic rock
    • remains of plants & animals
    coal limestone
  • 14. chemical rock
    • minerals dissolved in solution crystallize
    rock salt limestone
  • 15. Uses of sedimentary rocks
  • 16.
    • cement- limestone
  • 17.
    • arrowheads - flint
  • 18.
    • White House – sandstone
    http://www.learner.org/interactives/rockcycle/types3.html
  • 19.  
  • 20. HOMEWORK Bring ingredient for edible rocks on Tues. #1-4 1 box of plain Rice Krispies cereal #5-8 2 bags of mini marshmallows #9-15 4 stick pack of butter #16-22 1 bag of M&M’s (plain, peanut, or peanut butter) #23-26 1 bag of chocolate chips #27-30 1 container of sprinkles #31-33 1 bag of peanut butter chips or butterscotch chips No food - No eat
  • 21. Activity-Sedimentary Sandwich Cenozoic Era- flowering plants fossils 2 nd slice of bread Mesozoic Era- dinosaur fossils Jelly (old decaying plants) Paleozoic Era- fish fossils Peanut butter (mud) Precambrian Era- jellyfish fossils Bottom slice of bread (sand) Layer of geologic time scale- description Layer of sandwich