Photosynthesis Crossword

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Across
  1. 2. organelle that is the site of photosynthesis
  2. 3. an organism that can make its own energy
  3. 5. molecule consisting of two oxygen atoms; product in photosynthesis
  4. 7. the smallest unit of all matter that is nondivisible by chemical means
  5. 11. molecule consisting of one oxygen atom and two hydrogen atoms; reactant in photosynthesis
  6. 13. process by which oxygen reacts with methane to release energy in the form of heat and light
  7. 14. holes on the bottom of a leaf where carbon dioxide enters
  8. 16. type of energy from the Sun; used by plants in photosynthesis
  9. 17. substances present after the reaction
  10. 18. attraction between two atoms in a molecule; when these are broken, energy is released
Down
  1. 1. molecule consisting of one carbon atom and two oxygen atoms; reactant in photosynthesis
  2. 2. type of energy stored in the bonds between atoms in glucose
  3. 4. process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen gas
  4. 6. starting substances before the reaction occurs
  5. 8. two or more atoms held together by a chemical bond
  6. 9. laws stating that neither energy nor matter can be created or destroyed
  7. 10. primary pigment involved in photosynthesis
  8. 12. stacks of membranes in the chloroplast that contain chlorophyll
  9. 15. proteins that absorb different colors of light