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Concept Map

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X-rays are high-energy electromagnetic waves that can be used in technology but can also be harmful to living things.

Concept Map

Explore connections in math and science

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Discover related concepts in Math and Science.
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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.
  • Real World Application
    X the Unknown

    X the Unknown

    by CK-12 //basic

    Find out how X-rays were discovered and how the use of X-rays revolutionized science and medicine.

  • Real World Application
    Artifakes

    Artifakes

    by CK-12 //basic

    Find out how radioactive dating and X-rays can be used to determine the age of artworks and artifacts and detect whether or not they are forgeries.

  • Real World Application
    Protein Origami

    Protein Origami

    by CK-12 //basic

    Discover how scientists are trying to fold protein molecules into specific shapes so they can fight diseases.

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