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TNW

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  • What's this?
    Discovery
  • Who's this?
    A scientist
  • What's this?
    Coal
  • What are these?
    Sources of energy
  • What's this?
    Wood
  • What sources of energy do you know?
    Solar power, nuclear power, wind power
  • What's this?
    Nuclear power
  • It comes from under the ground. It's black and liquid.
    Oil
  • What's this?
    Electricity
  • What's this?
    Gas
  • Where do scientists make experiments?
    In a laboratory
  • What's this?
    Solar power
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