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Density / energy / force

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  • Name a type of energy
    Heat, light, sound, or electricity
  • Energy makes things .....
    work and change
  • Name two types of forces
    Friction and gravity
  • What is the definiton of density?
    How much mass per volume an object has
  • What is friction?
    a force that works against an object that is moving along a surface
  • Name an object that is bouyant
    paper, balloons, inflatable animals, feathers, etc...
  • True of False? Energy CAN be created and destoryed
    FALSE! Energy cannot be created or destroyed
  • Which is more dense?
    The golf ball
  • What is force?
    Force is a push or pull on an object
  • Which has more mass? A piece of paper or a phone
    A phone
  • What is gravity?
    an attracting force that tries to pull two or more objects together
  • Which is more dense?
    The bowling ball
  • Which has more volume? A piece of paper or a phone?
    piece of paper
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