Exploring Photosynthesis with Fast Plants

 

 

Every day green plants capture sunlight and convert it into chemical forms of energy necessary for them to live and grow. This amazing process, caled photosynthesis, is the critical link between the energy of the sun and the food and fuel we consume in our daily lives. Most teachers who work with the concept of photosynthesis use a textbook or curriculum lesson as a base, supplemented with favorite articles and their own materials. This activity ofers a hands-on laboratory investigation which can be used to explore and demonstrate this dificult concept. This investigation uses low cost, simple materials and seed leaves (cotyledons) from 3 or 4 day old Fast Plants. When plants photosynthesize they release oxygen into the atmosphere. This oxygen comes from water in the cels of leaves and is initialy released into spaces inside leaves (see Figure 1). The oxygen then moves from leaves into [via]
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Exploring Photosynthesis with Fast Plants

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