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Photosynthesis Science Fair Projects and Experiments

Aim: To see if raising the light intensity increases the rate of photosynthesis.

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Photosynthesis | Definition of Photosynthesis by …

Prediction: I predict that as the light source (desk lamp) is moved closer to the pondweed (Elodea), the rate of photosynthesis will increase therefore more oxygen will be produced creating more bubbles.

Prediction:I predict that raising the light intensity will increase the rate of photosynthesis.

The increase in the concentration of carbon dioxide, one of the three major to the has been carefully documented at the Mauna Loa Observatory in Hawaii. The 1990 rate of increase was about 0.4% per year. The interesting cyclic variations represent the reduction in carbon dioxide by photosynthesis during the growing season in the northern hemisphere.

Chemistry for Biologists: Photosynthesis - The Royal …

Michael states that a higher light intensity would increase the rate of photosynthesis, however, Reona disagrees.

How did he do it? Dr. Melis, a top researcher in the field of Photobiological Hydrogen Production, identified three unique genetic pathways in algae, which will triple the efficiency in potential fuel production. He found that by decreasing the size of the chlorophyll arrays in algae, he could increase the number of cells that actually catch the sunlight and convert it into chemical energy. Essentially, smaller arrays allowed sunlight to strike deeper, reaching more sunlight-to-fuel conversion machines. This technology is already being employed and improved upon by several industrial and university laboratories around the world, and serves as the platform for further hydrogen production research in the field.

recording of the time.
increase the values of light intensity tested on the plant
Measurement is not too accurate.
Experiment Complete!
How does light intensity affect the Rate of Photosynthesis?
Michael Kwon, Reona Ido
Biology 11

Free rate of photosynthesis Essays and Papers

Frontiers Melatonin Increases the Chilling Tolerance of Chloroplast in Cucumber Seedlings by Regulating Photosynthetic Electron

Prediction : I predict that as I increase the distance between the light source and the Canadian Pondweed (reducing the light intensity), the volume of oxygen produced within the time limit (the measure of the rate of photosynthesis) will decrease.

Furthermore, I predict that if the light intensity increases, the rate of photosynthesis will increase at a proportional rate and more oxygen will be produced and therefore the oxygen levels will increase.

If the pH is too high or too low, the rate of photosynthesis will decrease. If the pH is just right, the rate will increase to the best possible point.
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  • Rate of photosynthesis: limiting factors - The Royal …

    Plants that naturally grow in the shade often have larger leaves to increase the surface area for photosynthesis

  • 2017/08/14 · The need is urgent

    Photosynthesis - Wikipedia

  • Improving Photosynthesis | Plant Physiology

    Each year, photosynthesis fixes carbon dioxide and releases 100,000 megatons of oxygen to the atmosphere

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Does Enhanced Photosynthesis Enhance Growth

They found that elevated CO2 increased rates of net photosynthesis in about 85% of the reported studies, while reducing stomatal conductances and rates of transpiration in approximately 75% of the cases analyzed....

Redesigning photosynthesis to sustainably meet global …

A) sunlight concentration B) temperature C) chlorophyll concentration D) carbon dioxide availability Effects of the variables and there concentrations: The amount of sunlight will decide the rate of photosynthesis as there will be a an increased rate of photosynthesis due to the increased availability of photons of light....

To Feed the World, Improve Photosynthesis - MIT …

Improvements to make
Using bigger gallons so that the temperature wont increase/decrease easily (temperature affects the rate of photosynthesis)
Repeat experiment more than once
Human errors, e.g.

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