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Studies Weekly 5th Science week 6

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  • When electricity flows we call it a river.
    False (a current)
  • Copper and silver are very good (conductors) or (insulators)?
    conductors
  • Electrons have a negative charge.
    True
  • Don't ever touch anything electrical when you are...
    wet or standing in water.
  • Metal's make good conductors.
    True
  • The ancient Greek thinker Aristotle knew about magnetic stones.
    True
  • Electricity has been around as long as there have been atoms.
    True
  • A circuit is a pathway for the flow of electricity.
    True
  • Resistors are materials that hold electrons.
    True
  • Name one thing that Count Volta invented or discovered.
    He discovered that electricity could be produced and methane gas. He invented a device that stores static electricity. He invented the first battery.
  • Every magnet has three poles.
    False (two poles)
  • Bill Gates invented the World Wide Web, (Internet).
    False
  • Electromagnetic trains in Japan can reach speeds of 700 mph.
    False (at least 350 mph)
  • When a fuse melts it will always cause a fire.
    False (it prevents a fire)
  • Electricity comes from atoms.
    True
  • Plastics make good conductors.
    False
  • An ampere measures the strength of an electric current.
    True
  • Each proton has a positive charge.
    True
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