Energy and Technology Crossword

1234567891011
Across
  1. 2. making water, air, or land unclean and unhealthy.
  2. 3. without energy, this cannot be done.
  3. 4. The major source of energy in the twentieth century
  4. 5. They have designed new cars and invented medical machines.
  5. 7. tool that provides high-energy beams of light.
  6. 8. What was the major source of energy in the nineteenth century?
  7. 9. the electronic ________________ sends information from telephones, TVs, and computers.
  8. 10. What the electronic superhighway sends
Down
  1. 1. technology has improved it with surgery and lasers.
  2. 2. the ___________________ cell can produce electricity from light.
  3. 5. the land, sea and air of our world.
  4. 6. what the photoelectric cell produces
  5. 11. energy makes _______________ work.