1. click to begin click to continue releasing one hydrogen as an an electron and aproton This process begins with two water molecules molecules … A photon photon of sunlight transforming sunshine into sugar, storing energy in a chemical molecule H O Photosynthesis the source of sweetness on Earth– process by which green plants create carbohydrates, Water Splitting Clock S0S0S0S0HHO HHO e-e-e-e- S H+H+H+H+ photon hydrogen ion electron water water proton how plants produce oxygen is captured

2. releasing an electron A second second photon transforming sunshine into sugar, storing energy in a chemical molecule H O Photosynthesis the source of sweetness on Earth– process by which green plants create carbohydrates, Water Splitting Clock how plants produce oxygen S1S1S1S1 S0S0S0S0HHO e-e-e-e- S H+H+H+H+ e-e-e-e- +H+H+H+H O photon electron electron water water proton click to continue is captured

3. +H+H+H+H O click to continue Photosynthesis A third third photon releasing one one hydrogen as an an electron and aproton Water Splitting Clock how plants produce oxygen S2S2S2S2 S1S1S1S1 S0S0S0S0HHO H+H+H+H+ e-e-e-e- S H+H+H+H+ e-e-e-e- e-e-e-e- H O photon electron electron hydrogen ion electron proton proton is captured water water

4. Photosynthesis click to continue A fourth fourth photon releasing one hydrogen as an an electron and aproton Water Splitting Clock how plants produce oxygen S3S3S3S3 S2S2S2S2 S1S1S1S1 S0S0S0S0 H+H+H+H+ e-e-e-e- S H+H+H+H+ H+H+H+H+ e-e-e-e- e-e-e-e- e-e-e-e- +H+H+H+H O H O photon electron electron electron hydrogen ion electron proton proton proton is captured O water water

5. click to continue and one one oxygen oxygen molecule is released Last, one one hydrogen hydrogen is released as a proton Photosynthesis Water Splitting Clock how plants produce oxygen S4S4S4S4 S3S3S3S3 S2S2S2S2 S1S1S1S1 S0S0S0S0 H+H+H+H+ e-e-e-e- H+H+H+H+ H+H+H+H+ H+H+H+H+ e-e-e-e- e-e-e-e- e-e-e-e- +H+H+H+H O O O electron electron electron electron oxygen proton proton proton proton OO water water

6. click to continue used by the plant cell to make carbohydrate 4 protons 4 electrons Photosynthesis Water Splitting Clock how plants produce oxygen S4S4S4S4 S3S3S3S3 S2S2S2S2 S1S1S1S1 S0S0S0S0 H+H+H+H+ e-e-e-e- H+H+H+H+ H+H+H+H+ H+H+H+H+ e-e-e-e- e-e-e-e- e-e-e-e-electron electron electron electron oxygen proton proton proton proton water water and

7. S4S4S4S4 S3S3S3S3 S2S2S2S2 S1S1S1S1 S0S0S0S0 water oxygen H+H+H+H+ H+H+H+H+ H+H+H+H+ H+H+H+H+ e-e-e-e- e-e-e-e- e-e-e-e- e-e-e-e- click to continue OO S photon S photon S photon S photon O O HHO HHO H O +H+H+H+H O H O

8. WATER KidneysBladder of Oriental Philosophy & Medicine Five Element Law Water Splitting Clock how plants produce oxygen S4S4S4S4 S3S3S3S3 S2S2S2S2 S1S1S1S1 S0S0S0S0 water oxygen TREE SOIL METAL Liver Gall Bladder Heart Small Intestine SpleenStomach LungsColon FIRE