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Photosynthesis/Scientific Method Worksheet

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Photosynthesis/Scientific Method Worksheet
1. State and explain your pre-experience hypothesis: We were supposed to place (Elodea) in two tubes, which one should closer to a light source and the other with no light on it. The experience consisted in observe and count the amount of bubbles coming out from the plant in both tubes. No. of bubbles per one minute trial 1 2 3
Test plant
(unshaded) 52 45 43
Control plant
(shaded) 0 1 0

2. Describe how the extra light in the rest of the experiment affected the rate of photosynthesis. The plant that was exposed to the light more intensely produced more bubbles.
3. What would you suggest is the function of the sodium bicarbonate? It is the NHCO that provide carbon dioxide

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