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Physical Science Quarter 1

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  • What is potential energy?
    stored energy (no movement)
  • What is the most powerful form of light and heat?
    Sun
  • How is sound created?
    when an object vibrates
  • Current electricity needs a ______________ to work.
    circuit
  • Sound can make objects move.
    True
    False
  • John packed a flashlight for a camping trip. In terms of energy, what will the flashlight help him do?
    it will change stored energy into light
    it will change electrical energy into sound
    it will change energy of motion into light
  • What materials make good insulators of electricity?
    rubber, glass, plastic
  • What is a switch?
    something that opens and closes a circuit
  • The heat felt from the sun is example of this type of heat transfer.
    convection
    radiation
    conduction
  • What is static electricity?
    a build up of charges
  • What is kinetic energy?
    this is energy of motion.
  • What materials make good conductors of electricity?
    metals like iron, copper, aluminum
  • What type of materials allow electricity to flow easily?
    conductors
  • Four runners are in a race. What can you infer about the runner that crosses the finish line first?
    None of the above
    The runner had the longest stride.
    The runner had the most energy.
    The runner had the slowest speed.
  • A hot air balloon is an example of what type of heat transfer.
    radiation
    conduction
    convection
  • An egg frying in a pan is an example of what type of heat transfer.
    conduction
    radiation
    convection
  • What happens when a baseball player hits a ball?
    all of the bat's energy changes to sound
    all of the ball's energy changes to sound
    the ball's energy and motion change
  • What type of materials allow electricity to flow easily?
    conductors
  • What form of energy is lightning?
    all of the above
    heat
    light
    sound
  • What is energy?
    The ability to do work
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