photosythesis experiments
A detailed Summary of photosythesis experiments
Photosynthesis is the process by which chlorophyll - containing organisms - such
as green plants, algae, and some bacteria - capture energy from light and
convert it to chemical energy. For the process of photosynthesis to take place
the organism must contain chloroplasts. Chlorophyll is responsible for the green
color in plants and is also responsible for their ability to photosynthesize.
Photosynthesis is usually carried out in the leaves of green plants, but it can
also take place in other parts of the plant such as the stem. The balanced
chemical equation for photosynthesis is: Sunlight + 6CO2 + H2O --yields-C6H12O6 + 6O2 The purpose of this lab is to answer the question, "Is sunlight
required for photosynthesis?" III.) Experimental Design / Materials and
Methods The first experiment was called "Separating Plant Pigments."
In this first experiment the materials that you need are a piece of green plant
(collard greens), a piece of chromatography paper, solvent, and a test tube. The
first thing you do is take your green plant and fold it up tightly. Second, you
lay the plant on the chromatography paper and smash parts of the plant onto the
paper. Next you mark the outside of the tube with a wax pencil where the bot

proved that photosynthesis did not occur. The plant had to use its stored starch
in the ethanol solution and boil it for one minute. Take the leaf out of the
plant and boil it for one minute in water. Take it out of the water and place it
solution, which is a carbon dioxide indicator, to the test tube nearly to the
the light exposed leaf in water for one minute. Next you boil the same leaf in
had to use its stored food to survive. Without light the plant could not survive
minutes for the see what will happen to the paper. The purpose of this
ethanol and place it on a small petri dish and cover it in iodine. The purpose
Some common words found in the essay are:
IV Results, Leaves Starch, Green Plants, , Plant Pigments, carbon dioxide, green plants, required photosynthesis, Materials Methods, light plant, Experimental Design, experiment conducted, bromthymol blue, blue solution, experiment called, chromatography paper, light required photosynthesis, tin foil, bromthymol blue solution, carbon dioxide released, dioxide released gained, photosynthesis pigments contained,
Approximate Word count = 917
Approximate Pages = 4 (250 words per page double spaced)
Category: Science
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