4.1 Why Is Electricity Important to Us

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Across
  1. 2. Power station in Singapore burns ___ ___.
  2. 4. Electrical energy is used to ___ electrical devices and appliances.
  3. 7. A series of energy conversions occurs at different parts of the ___ ___.
  4. 8. Electrical energy can be easily ___ to other forms of energy.
  5. 9. Fossil fuels are burnt at the ___ to generate heat energy.
  6. 10. Electrical energy can be ___ from one place to another easily using wires and cables.
Down
  1. 1. At the ___, heat energy is used to boil water and turn it into moving steam.
  2. 3. The moving steam turns the ___.
  3. 4. Electrical energy can be stored in batteries as ___ energy.
  4. 5. Batteries and power banks can be used to ___ electrical energy.
  5. 6. The turbines then turn the ___ to generate electrical energy.