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KE and PE Vocabulary

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  • Spinning movement around an axis.:
    rotational kinetic energy
  • How much an object weighs.:
    mass
  • Energy of things in motion.:
    kinetic energy
  • Imaginary line that goes through the center of the Earth from top to bottom.:
    axis
  • Ability to do work.:
    energy
  • Unit used to measure energy.:
    joules
  • First scientist to use the term kinetic energy in 1849.:
    Lord Kelvin
  • First scientist to use the term potential energy in the 1800s.:
    William Rankine
  • Stored energy.:
    potential energy
  • Energy cannot be created or destroyed and can only change forms.:
    Law of Conservation of Energy
  • How fast an object is moving.:
    speed
  • Stored energy from the pull of Earth’s gravity
    higher objects have more energy.: gravitational potential energy
  • Movement through space from one point to another.:
    translational kinetic energy
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