1. Oxygen Cycle chlorophyll (green color) Photosynthesis

2. Oxygen Cycle chlorophyll (green color) Photosynthesis chlorophyll (green color) Light energy (sun)

3. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0)

4. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0) chlorophyll (green color)

5. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0) chlorophyll (green color) 1. H 2 0 splits apart into hydrogen and oxygen atoms.

6. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0) chlorophyll (green color) 1. H 2 O splits apart into hydrogen and oxygen atoms. 2. The hydrogen atoms combine with carbon dioxide (CO 2 ) to make sugar.

7. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0) chlorophyll (green color) 1. H 2 O splits apart into hydrogen and oxygen atoms. 2. The hydrogen atoms combine with carbon dioxide (CO 2 ) to make sugar 3. Sugar is plant food and the byproduct is oxygen.

8. Oxygen Cycle Photosynthesis chlorophyll (green color) Light energy (sun) Water (H 2 0) chlorophyll (green color) Water (H 2 0) (By product of photosynthesis)

9. Oxygen Cycle Photosynthesis (Day) Respiration (Night) chlorophyll (green color) Water (H 2 0) chlorophyll (green color) Water (H 2 0) (Plants need oxygen too!)

10. Oxygen Cycle Photosynthesis (Day) Respiration (Night) chlorophyll (green color) Water (H 2 0) chlorophyll (green color) Water (H 2 0) (Plants need oxygen too!) Light energy (sun) chlorophyll (green color) Water (H 2 0) (By product of photosynthesis) 1. H 2 O splits apart into hydrogen and oxygen atoms. 2. The hydrogen atoms combine with carbon dioxide (CO 2 ) to make sugar. 3. Sugar is plant food and the byproduct is oxygen.