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Photosynthesis: Turning Light into Life

"Discover how autotrophs convert sunlight into chemical energy through photosynthesis. Learn how plants provide essential resources like oxygen, materials, and food, supporting all life forms. Explore the materials required for photosynthesis and where this vital process takes place within leaf structures."

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Photosynthesis: Turning Light into Life

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  1. Photosynthesis Turning Light into Life

  2. What is Photosynthesis? Autotrophs convert Sunlight  to Chemical Energy

  3. Plants provide: Chemical energy on which all life depends Oxygen – plants created our atmosphere Materials – shelter, clothing, medicine Food – for (almost) all other life form

  4. CO2+ H2O C6H12O6+ O2 • Materials Required for Photosynthesis: • Sunlight – provides energy • Carbon Dioxide – provides carbon • Water – provides electrons • & enzymes to put everything together! • Oxygen is a “waste product” after electrons have been removed from water

  5. Where does photosynthesis take place? http://extension.oregonstate.edu/mg/botany/images/fig12a-small.gif

  6. Leaf Structures • Cuticle & epidermis protect plant • Stomates allow gases in and out • Veins in leaf transport water, nutrients • Xylem - water & minerals up from roots • Phloem - food from leaves to plant

  7. Leaf Structures • Mesophyll = middle leaf • Palisade layer is where most photosynthesis takes place • Cells have many chloroplasts • Spongy mesophyll allows gases to circulate

  8. Narrate this movie!

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