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