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Energy in Motion

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  • What are simple machines?
    the basic tools that make work easier
  • What force causes an object to fall?
    gravity
  • What are three ways to describe the motion of an object?
    the direction it travels, the distance it travels, and the speed it travels
  • The measure of the force of gravity on an object is called
    weight
  • A change of position is called
    motion
  • What is weight?
    the measure of the force of gravity on an object
  • The force that pulls objects toward the center of the earth is called
    gravity
  • What are three kinds of invisible forces?
    friction, gravity, magnetism
  • A force that slows or stops motion is called
    friction
  • what kind of energy is ringing a bell?
    sound energy
  • what kind of energy is photosynthesis?
    light energy
  • What kind of energy is a light bulb?
    electrical energy
  • What kind of energy is riding a bicycle?
    mechanical
  • What kind of energy is the battery in a phone?
    stored energy
  • A pushing or pulling force caused by a magnet is called
    magnetism
  • What forces slows or stops motion?
    friction
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