The number of oxygen bubbles being released, the dependent variable, will depend on the temperature of the plant’s surroundings, the independent variable. The amount of carbon dioxide, light intensity, light color, and time tested will be constants.
Amount of CO2: Increased
Light Intensity: 40
Light Color: White
Data Table:
Conclusion:
In this lab, we asked the question, “How does temperature affect the number of oxygen being released from a plant?” We found that the plant produced the most bubbles when the surrounding temperature was at 10o. It produced 11 bubbles in 10 seconds at 10o, 9 bubbles in 10 seconds at 25o, and 4 bubbles in 10 seconds at 40o. This supports our hypothesis because the plant produced bubbles at a lesser rate as the temperature was raised.
This lab was done to show how the temperature impacted the amount of oxygen produced by a plant. From this lab, I clarified my understanding of how temperature affects photosynthesis, helping me to also understand photosynthesis, as we learned in class. Based on the experiences of this lab, I can treat my plants with better care, and I can apply some of my knowledge of photosynthesis to other labs in the future.
Light Intensity: 40
Light Color: White
Data Table:
Temperature (in o)
|
10
|
25
|
40
|
# of Bubbles/ 10 sec.
|
11
|
9
|
4
|
Conclusion:
In this lab, we asked the question, “How does temperature affect the number of oxygen being released from a plant?” We found that the plant produced the most bubbles when the surrounding temperature was at 10o. It produced 11 bubbles in 10 seconds at 10o, 9 bubbles in 10 seconds at 25o, and 4 bubbles in 10 seconds at 40o. This supports our hypothesis because the plant produced bubbles at a lesser rate as the temperature was raised.
This lab was done to show how the temperature impacted the amount of oxygen produced by a plant. From this lab, I clarified my understanding of how temperature affects photosynthesis, helping me to also understand photosynthesis, as we learned in class. Based on the experiences of this lab, I can treat my plants with better care, and I can apply some of my knowledge of photosynthesis to other labs in the future.
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