Unit 7 Crossword

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Across
  1. 7. energy being transmitted through waves
  2. 8. what does Mr. Singh drink everyday
  3. 9. all the rocks and minerals on earth
  4. 10. the most harmful greenhouse gas
  5. 12. all the water on earth
Down
  1. 1. all the living things on earth
  2. 2. heat being transferred through direct contact
  3. 3. the part of the earth where convection takes place
  4. 4. all the gasses on earth
  5. 5. something living that absorbs CO2
  6. 6. heat being transferred through fluids
  7. 11. the hottest part of the earth