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AIM: How do plants absorb light for photosynthesis? DN: Write the equation for photosynthesis. What are the raw materials and the end products? HW: What reaction is this? PHOTOSYNTHESIS Where is the energy coming from? The Sun What color is sunlight? White Is white light really white? What do you see? ROY G BIV Where does photosynthesis happen? In what organelle does photosynthesis take place? Why are chloroplasts green? Chlorophyll – green pigment Traps ROY ___ BIV It reflects Green How do chloroplasts trap light energy? They have Chlorophyll green pigment that absorbs all colors Of white light, except_______ Would a plant grow in green light? No because it will not absorb any energy to carry out photosynthesis- chlorophyll reflects green light Chlorophyll is not the only pigment! In the Fall we See the Others https://www.youtube.com/watch? v=qH-AJDqsSII Other pigments found in leaves What colors do they absorb? How can we separate these pigments? Chromatography • Separates the components of a mixture • Ex: can separate the pigments of a plant
