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  1. Experiment: Use the Gizmo to find the ideal conditions for photosynthesis. Use any method you like. When you think you have the answer, list the conditions below.

  2. In the Gizmo, what light intensity and CO2 level do you think will maximize the rate of photosynthesis? I think a medium light intensity and a CO2 level around 100-200. See an expert-written answer!

  3. Question: In the Gizmo, what are the ideal conditions for photosynthesis? Form hypothesis: During photosynthesis, light energy is used to synthesize carbon dioxide (CO 2 ) and water (H 2 O) into glucose (C 6 H 12 O 6 ) and oxygen (O 2 ).

  4. Observe: The color of a light wave is determined by its wavelength. On the COLOR tab, slowly drag the Light wavelength slider back and forth and observe the effect on oxygen production. How does the color of light affect the rate of photosynthesis?

  5. Study the production and use of gases by plants and animals. Measure the oxygen and carbon dioxide levels in a test tube containing snails and elodea (a type of plant) in both light and dark conditions. Learn about the interdependence of plants and animals.

  6. Question: In the Gizmo, what are the ideal conditions for photosynthesis? Form hypothesis: During photosynthesis, light energy is used to synthesize carbon dioxide (CO 2 ) and water (H 2 O) into glucose (C 6 H 12 O 6 ) and oxygen (O 2 ).

  7. Study photosynthesis in a variety of conditions. Oxygen production is used to measure the rate of photosynthesis. Light intensity, carbon dioxide levels, temperature, and wavelength of light can all be varied. Determine which conditions are ideal for photosynthesis, and understand how limiting factors affect oxygen production. Full Lesson Info

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