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Member rating: No Rating | Words: 7874 | Submitted: Sun Oct 28 2007

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Lesson Intention: In this lab, students will work in teams to test leaves for the production of food- or starch. They will compare a leaf that has been completely covered with black paper overnight, to one that has not. They will make the connection that green leaves change light energy into chemical energy which is then used to make food. Students should also understand that chlorophyll production is dependent on light, and without chlorophyll, food will not be produced. Students will be learning and following new lab procedures to test the leaves for presence of starch. BY THE END OF THIS LESSON STUDENTS WILL BE ABLE TO: * Explain how the absence of chlorophyll affects starch production in plants * Test for starch production using a several-step procedure * Describe why iodine is used as an indicator for starch * Describe the process of photosynthesis, naming the components that are input and...

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