Effect of different colors of light on the rate of photosynthesis.
Aim: We will be trying to see if light intensity has an effect on the rate of photosynthsis.
Effects of different colors of light on the photosynthesis rate.
6CO + 6H O ® C H O + 12O (in the presence of light energy and chlorophyll) Aim- The aim of the experiment is to determine what effect light intensity has upon the rate of photosynthesis of Canadian Pondweed (Elodea)....
Effect of different colors of light on the rate of photosynthesisThe effect of different lights on plant growth: incandescent light, fluorescent light, sunlight and black light.
Essays on new topic how does light intensity affect photosynthesis.
Prediction: I predict that the oxygen bubbles will decrease when the lamp is further away from the measuring cylinder, because light intensity is a factor of photosynthesis.
recording of the time.
increase the values of light intensity tested on the plant
Measurement is not too accurate.
How does light intensity affect the Rate of Photosynthesis?
Michael Kwon, Reona Ido
Intensity Affects the Rate of Photosynthesis ...
Number of bubbles counted (every two minutes)
My graph shows that the closer the distances of the light source the
higher the rate of photosynthesis.
It’s important to control DLI to maintain adequate light intensities throughout propagation stages. Light intensity needs may vary throughout the growth cycle. By using LumiGrow Smart Horticultural LEDs it’s possible to increase intensity in respect to growth.
Does The Light Intensity Affect the Rate of ...
Low light intensity lowers the rate of photosynthesis
This will be done by measuring the bubbles of oxygen and having a bulb for the light intensity variable.
Why the rate of Photosynthesis is higher in red light …
Michael states that a higher light intensity would increase the rate of photosynthesis, however, Reona disagrees.
Why the rate of Photosynthesis is higher in red light while the ..
The test will be to find out the relationship between light intensity (voltage) and the rate of photosynthesis.
Light intensity: photosynthesis increases with light ..
the wants to show that the rates of photosynthesis will
vary according to how much light from a light bulb will be trapped in
the chloroplasts, in the leaf.
Intensity of Light and Rates of Photosynthesis
Input - Light intensityis to be varied by increasing and decreasing
the distance from the light source to the plant
Output - The rate of photosynthesisis to be measured by counting the
bubbles of oxygen produced by the plant every two minutes, and
therefore finding the rate of photosynthesis
Control - The amount of water available to the Elodea will stay the
same level in the 400 cm3 beaker.
How Light Intensity Affect Photosynthesis Essay …
Our results indicated that photosynthesis occurred fastest at 100 watts for both plants. This was inconsistent with our hypothesis. There were several possible problems with our experiment. We only ran one trial for each plant under the various light intensities due to time constraints. This made it impossible for us to run a statistical test. If more trials were available, we could have run a linear regression analysis to see if there was a significant linear correlation between intensity of light and rate of photosynthesis. Another problem is that 100 watts may have not been intense enough. The slope of the shade plant seemed to be decreasing as intensity increased, and the slope of the sun tolerant plant seemed to be increasing. If we had used higher intensities of light, perhaps these trends in the slope would have continued and the shade plant's slope would have started to decrease, allowing us to fail to reject our hypothesis. The spike in photosynthesis for the shade tolerant plant could indicate that they are not accustomed to sudden changes in light intensity. The slow rise in the photosynthesis rate for the sun tolerant plant could indicate that it is more equipped to maintain homeostasis in sudden intensity changes.
Light Intensity's Effect on Photosynthesis Essay
In order to run a more successful experiment, we could have run more trials, and then run a regression analysis to see if there was a significant linear correlation between light intensity and photosynthesis in shade and sun tolerant plants.
the rate of photosynthesis at low light levels
The colour of the lamp will stay the
same (yellow) as to plants Chlorophyll easily absorbs blue light,
however it does not easily absorb green or yellow light, rather it
reflects it, this decrease's the rate of photosynthesis.
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