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Tree Rings, Ice Cores, and Varves loading

Scientists can determine absolute ages using tree rings, ice cores and varves.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Read
    Tree Rings, Ice Cores, and Varves

    Tree Rings, Ice Cores, and Varves

    by Jim Doherty, Ph.D. //at grade
    How scientists can determine age and other features of a rock or material it contains.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Tree Rings, Ice Cores, and Varves

    Tree Rings, Ice Cores, and Varves

    by jaya kumar //at grade
    How scientists can determine age and other features of a rock or material it contains.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Tree Rings, Ice Cores, and Varves

    Tree Rings, Ice Cores, and Varves

    by James P Gass //at grade
    How scientists can determine age and other features of a rock or material it contains.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Tree Rings, Ice Cores, and Varves

    Tree Rings, Ice Cores, and Varves

    by Joe Caffrey //at grade
    How scientists can determine age and other features of a rock or other material.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Icy Secrets

    Icy Secrets

    by David Carmichael //at grade
    Using the Antarctic science research being completed by ANDRILL, students will learn through personal scientist accounts how they determine the age of rocks and connect it to Earth's climate history. Students will then manipulate a simulation to see the impact climate change will have on the Antarctic ice sheet.
    MEMORY METER
    This indicates how strong in your memory this concept is
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