Energy and Technology Crossword

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Across
  1. 1. the electronic ________________ sends information from telephones, TVs, and computers.
  2. 3. making water, air, or land unclean and unhealthy.
  3. 4. what the photoelectric cell produces
  4. 5. the land, sea and air of our world.
  5. 7. What the electronic superhighway sends
  6. 9. What was the major source of energy in the nineteenth century?
  7. 12. energy makes _______________ work.
  8. 13. without energy, this cannot be done.
Down
  1. 2. the ___________________ cell can produce electricity from light.
  2. 6. They have designed new cars and invented medical machines.
  3. 8. The major source of energy in the twentieth century
  4. 10. technology has improved it with surgery and lasers.
  5. 11. tool that provides high-energy beams of light.