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Biology I (SCIE 9) Photosynthesis Lab Assignment Fleming College

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James Moore
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Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: carbon dioxide, chlorophyll, glucose, limiting factor, nanometer, photosynthesis, wavelength Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Gizmo Warm-up During photosynthesis, plants use the energy of light to produce glucose (C6H12O6) from carbon dioxide (CO2), and water (H2O).

Glucose is a simple sugar that plants use for energy and as a building block for larger molecules. A by-product of photosynthesis is oxygen. Plants use some of the oxygen they produce, but most of it is released. In the Photosynthesis Lab Gizmo, you can monitor the rate of photosynthesis by measuring oxygen production. 1. Observe the left pane closely. What do you think the bubbles are?

Question: In the Gizmo, what are the ideal conditions for photosynthesis?
1. Form hypothesis: During photosynthesis, light energy is used to synthesize carbon dioxide (CO2) and water
(H2O) into glucose (C6H12O6) and oxygen (O2). The complex series of chemical reactions is summarized by
the following formula:
In the Gizmo, what light intensity and CO2 level do you think will maximize the rate of photosynthesis?
2. Experiment: Use the Gizmo to find the ideal conditions for photosynthesis.
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Biology I (SCIE 9) Photosynthesis Lab Assignment Fleming College

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