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6.4. Science and technology

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  • It comes from under the ground. It's black and hard. We use it for heating and making electricity.
    coal
  • It comes from the sun. It's an ecological source of energy.
    solar power
  • A laptop, a fridge and a washing machine need it to work
    electricity
  • It comes from trees. People burn it for heating and cooking.
    wood
  • What do you do to be more ecological?
    ??
  • It's where a scientist does his experiments
    labolatory
  • What's the best source of energy in your opinion?
    ??
  • It comes from under the ground. It's black and liquid
    oil
  • It's when a scientist finds out about something useful and interesting and he describes it for the first time in history
    discovery