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Sound Waves

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
    Look Ma, No Hands!

    Look Ma, No Hands!

    by CK-12 //basic

    Find out how sound waves can be used to levitate and move objects.

  • Real World Application
    Telephone Magic

    Telephone Magic

    by CK-12 //basic

    Discover how electromagnets in telephones turn electrical signals to sound waves that you can hear.

  • Real World Application
    Shipwreck!

    Shipwreck!

    by CK-12 //basic

    Discover how advanced 3-D sonar was used to explore a ship in the Gulf of Mexico that was sunk in a battle during the U.S. Civil War.

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