Photosynthesis Steps: 1.light enters the chloroplast 2.Chrolophyll in grana captures light energy 3.Remaining energy stored in storma 4.Some energy used to split water into water and hydrogen 5.Oxygen released into air 6.Hydrogen carried to the storma 7.Carbon dioxide enters leaf 8.Storma combines hydrogen and carbon dioxide to make carbohydrates 9.Carbohydrates carried to the cells of the plants.