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Effects of different colors of light on plant growth.
Plants do respond differently to differentcolors of light being shone on them, becausechlorophyll reflects green light and absorbs blueand red (therefore, blue and red are useful forphotosynthesis, but green isn't).
The effects of various pH levels on the photosynthesis process of the aquatic plant elodeaThe effects of phosphorous on the photosynthesis of aquatic plantsDoes light affect stem growth?
Effects of different colors of light on the photosynthesis rate.
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.
The Effect of the Type of Soil on the Amount of Chlorophyll in Bean PlantsThe Effects of Wavelengths of Light on Plant Food ProductionEffect of different colors of light on the growth of plants Do plants need sunlight to be green?
Different wavelengths of light affect on photosynthesis ..
The Effects of pH Levels and Phosphorous on the Photosynthesis Process of Aquatic PlantsStudy the coniferous spruce tree (Picea glauca as the species of choice) by measuring its lateral and sub-lateral branch angles in order to see how it collects sunlight from various angles on its south-facing side.
The Effects of Different Colored Lights on Algal Oxygen ProductionPhotosynthesis Background Resources
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The color or wavelength of light does affect photosynthesis, ..
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 Light Wavelength on Rate of Photosynthesis
I will do this by placing the Elodea in a test tube with sodium hydrogen carbonate then I will vary the light wavelength (color) using colored filters and count the number of oxygen bubbles given off using a pencil dot technique....
Effect of color on photosynthesis rate - SlideShare
A) sunlight concentration B) temperature C) chlorophyll concentration D) carbon dioxide availability Effects of the variables and there concentrations: The amount of sunlight will decide the rate of photosynthesis as there will be a an increased rate of photosynthesis due to the increased availability of photons of light....
The effect of Different Light Wavelengths on Photosynthesis
Plants utilize the process of photosynthesis to convert solar energy into chemical energy to produce cellular respiration. The process of photosynthesis uses the energy of sunlight, which is then absorbed into different pigment types to help the cyclical functions that eventually create atmospheric oxygen. In this experiment we asked how different colors of light effect the rate of photosynthesis. The experiment attempted to see how blue colored and red colored lights affected the rate of photosynthesis. It was hypothesized that because plants absorb more red light, then we predict plants in red light should have a higher rate of photosynthesis when compared to plants in blue. The hypothesis was tested by taking the leaves of a live plant and placing the leaves in a flask. A carbon dioxide gas probe was then placed in the flask to test if the levels of carbon dioxide changed. The independent variable was the color of light and the dependent variable was the rate of photosynthesis in change in levels of carbon dioxide per minute per gram. The change in carbon dioxide levels were proportional to the rate of photosynthesis. Thus red light and blue light was placed upon the flasks of leaves for a total of thirty minutes. The first and last ten minutes the leaves were set in the light and the second ten- minute increment the leaves were in the dark. The second ten minutes was to see if carbon dioxide levels decreased thus to control the cellular respiration. The results show in comparing the carbon dioxide levels that the p=value is .36 meaning there was no significance in the comparison. Therefore the different wavelengths in light made no extreme difference on the rate of photosynthesis. In comparison to other experiments done by others the results were much the same finding that neither light wavelength affected the rate of photosynthesis. The experiment was done with a limited amount of time and the leaves were most likely dead by the end of the experiment. A better hypothesis would be to see how the wavelengths of different colored lights like yellow and green affect the rate of photosynthesis. The use of more live plants would help obtain better results also.
#41 Effect of Light intensity on the rate of Photosynthesis
Lenses and prisms are applications of this effect. A wave model of light is useful for explaining brightness, color, and the frequency-dependent bending of light at a surface between media (prisms).
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