UNIT 3 - GREAT INVENTIONS

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Across
  1. 2. To guess a number or amount, not exact.
  2. 4. Designed to reduce the amount of energy that is used.
  3. 6. Helping you complete tasks more quickly or in a more organised way, without wasting time.
  4. 9. To find or learn something that was not known before.
  5. 11. To look for information to learn more about something.
Down
  1. 1. Working well without wasting time, energy, or materials.
  2. 3. To fix something that is broken or not working properly.
  3. 5. Easy for people to understand and use without difficulty.
  4. 7. To make something better in quality, condition or performance.
  5. 8. Helping you reduce costs or avoid spending too much money.
  6. 10. To create something over a period of time.
  7. 12. To understand something suddenly.