Crossword Puzzle Photosynthesis Online version Complete the crossword puzzle below by Lloyd Williams 1 Process using light, water and carbon dioxide to make sugar 2 Gas used by plants to make sugar 3 Green pigment that absorbs light energy 4 Sugar made by plants 5 Responsible for gas exchange in leaves 6 Gas release from plants 7 Used to transport water to leaves 8 Taken up by plants root and transported to leaves 9 Source of energy 3 2 4 7 8 1 9 6