Title: Free Essay: The effect of light intensity on the rate of photosynthesis
Headings: The effect of light intensity on the rate of photosynthesis
The effect of light intensity on the rate of photosynthesis
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Content: There are many factors, which affect the rate of photosynthesis, including light intensity, temperature and carbon dioxide concentration." Taken from www. Essaybank.co.uk/free_coursework/1649.html
There fore I only plan to change the sunlight intensity because I feel that this would be the best variable for me to change to find out how light intensity affects the rate of photosynthesis. Method
I will set up my experiment using the following equipment: 1) test tube filled with water and 0.50 of sodium bicarbonate
2) a plant that lives in a water ecosystem
3) syringe connected to a clear tube and then to the test tube (with the plant inside)
4) Two rulers 1 meter ruler to measure distance of light from plant and the other 30 cm ruler to measure the amount of oxygen given off from photosynthesis. 5) a stop watch
First I will make sure that the temperature is set at 30 degrees Celsius. Then I will place the plant inside the test tube with the pre-set amount of sodium bicarbonate. Then I will attach a clear tube to the test tube using a bung and on the other end of the tube I will attach securely the syringe. Then from the syringe I will fill it with water and then ensure that the syringe head is pushed entirely in. Now I will place the meter ruler next to the test tube as shown in the diagram below and place the lamp along side it so the distance of the light can be measured accurately
Then the other ruler parallel to the test tube.