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Fossils

  •  English    16     Public
    Grade 4
  •   Study   Slideshow
  • What are body fossils?
    The remains of an animal or plant such as bones, shells, or leaves.
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  • Is this a mold fossil or a cast fossil?
    mold fossil
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  • Is this a mold fossil or a cast fossil?
    cast fossil
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  • What kind of fossil is this?
    whole body fossil (fossil in amber)
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  • Which layer of rock are the oldest fossils found?
    the lowest/bottom layer
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  • Which layer of rock are the youngest fossils found?
    the highest/top layer
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  • Which era did were organism simple and could not see?
    Precambrian Era
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  • Which era did animals start to look like primitive dinosaurs (and begin eating each other)?
    Paleozoic Era
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  • Which era did wooly mammoths and saber-tooth tigers live in?
    Cenozoic Era
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  • Which era did dinosaurs live in?
    Mesozoic Era
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  • A fish fossil was found in a rocky and dry place. What can you infer about it?
    The area was once covered with water.
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  • What is a fossil record?
    a record of number fossils found
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  • What "evidence" means?
    an information that something is true
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  • How does cast fossils form?
    when minerals and sediments enter in the mold and harder over many years.
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  • Cenozoic Era is known as the Age of ________
    Mammals
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  • Give 2 examples of trace fossils
    burrows, eggs, footprints, borings, feces (poop)
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