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How does light affect the rate of photosynthesis

Photosynthesis occurs only in the presence of light, and takes place in the chloroplasts of green plant cells. Photosynthesis can be defined as the production of simple sugars from carbon dioxide and water causing the release of glucose and oxygen. The chemical equation for photosynthesis can be expressed as: (light) 6CO2 + 6H2O ( C6H12O6 + 6O2 (in the presence of chlorophyll)

The fact that all plants need light in order to photosynthesize has been proven many times in experiments, and so it is possible to say that without light, the plant would die.

The rate of photosynthesis and the amount of oxygen produced by a plant is affected by different factors such as light intensity, temperature, amount of water and amount of CO2. However in our experiment the main factors being tested that affect the rate of photosynthesis are light intensity, the amount of sodium hydrogen carbonate and the temperature.

How does light intensity alters and affects the rate of photosynthesis and the amount of oxygen produced in the plant weed?

I predict that as the intensity of light increases, so will the rate of photosynthesis and the amount of oxygen produced.


My aim was met because I found out the effect that light intensity has in the rate of photosynthesis and in the production of oxygen.

Some topics in this essay:
Amount NaHCO3%, Prediction/ Hypothesis, PC Method, , Variables Independant, light intensity, rate photosynthesis, oxygen produced, amount oxygen, Research Question, amount oxygen produced, 25 1, Lux Amount, Equipment Focus, intensity increases, white rectangle, 10 lux, light intensity increases, rate photosynthesis amount, energy available, available chemical reactions, available chemical, photosynthesis amount oxygen,

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Approximate Word count = 1201
Approximate Pages = 5 (250 words per page double spaced)


  

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