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Plants Store Carbon from the Atmosphere

Explore the process of photosynthesis and how plants create oxygen through a chemical reaction. Learn about the molecules involved and how they enter the leaf.

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Plants Store Carbon from the Atmosphere

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  1. Plants Store Carbonfrom the Atmosphere

  2. Water comes up the stem and into the leaves

  3. Your desktop is going to be the inside of the leaf.

  4. On your desk make as many water molecules as you can H O 2 H H O

  5. Carbon dioxide enters the stomata (openings) in the underside of the leaf.

  6. On your desk make as many carbon dioxide molecules as you can CO 2 O O C

  7. Energy from the Sunstartsa chemical reaction

  8. Chemical Reaction

  9. C H O 6 6 12 Sugar is the product

  10. Click here tosee the truestructure

  11. What is left over?Have you ever heard the saying, “Plants make oxygen”? O 2

  12. Photosynthesis C H O 6 6 12 Carbon + water + lightdioxide energy sugar + oxygen H O CO lightenergy + + O + 2 2 2

  13. How many oxygen gas molecules were you able to put together? How does the oxygen get into the atmosphere? Click here to see…

  14. Using what you have just learned, explain how plants “make” oxygen. Include each molecule that is part of the chemical reaction of photosynthesis and how it got into the leaf.

  15. Photosynthesis Creation of something new and more complex from simple things light

  16. Materials Cut out and labeled prior to the lab For each pair and placed in a ziplock bag • 6 carbon atoms (black circles) • 12 hydrogen atoms (small white circles) • 18 oxygen atoms (larger red circles)

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