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EXPERIMENT 5

OXYGEN FROM PLANTS - PHOTOSYNTHESIS

THINGS YOU NEED: Large wide-mouth jar (such as a 4-pound peanut butter jar). Long slender jar (such as an olive jar). Coat hanger. Glass or clear plastic funnel. Few sprigs of Elodea (a plant some- times called Anacharis or waterweed and available at low cost in aquarium stores and pet shops). A thin strip of wood. Clear drinking glass (see the last two paragraphs in this experiment).
You’re no doubt familiar with the chemical process called photosynthesis. In case you forgot, it’s the process by which