Unit 4 crossword

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Across
  1. 6. plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
  2. 8. a mixture of gases that surrounds the Earth
  3. 9. Living
  4. 11. chemical element with symbol C and atomic number 6.
  5. 14. respiration using electron acceptors other than molecular oxygen
  6. 15. combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite.
  7. 16. anything that takes up space and can be weighed.
  8. 17. the capacity for doing work
  9. 18. Not living (just like grandpa)
  10. 20. rapid chemical combination of a substance that creates fire
Down
  1. 1. the living cells of an organism obtains energy
  2. 2. The stuff that makes plants green
  3. 3. powerhouses of the cell
  4. 4. made up of the parts of Earth where life exists
  5. 5. An energy source formed in the Earth's crust from decayed organic material.
  6. 6. releases carbon into the atmosphere
  7. 7. a series of chemical reactions that break down glucose to produce ATP
  8. 10. the solid, outer part of Earth
  9. 12. The process of plants preparing their food
  10. 13. includes the rocks and minerals on Earth
  11. 19. anything that absorbs more carbon from the atmosphere than it releases