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What best explains how green plants absorb energy from sun?
Green plants are green because they contain a pigment called chlorophyll. Chlorophyll absorbs certain wavelengths of light within the visible light spectrum. Plants are able to satisfy their energy requirements by absorbing light from the blue and red parts of the spectrum.
How do green plants use the sun’s energy?
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Which answer best explains why plants are green?
The simple answer is that although plants absorb almost all the photons in the red and blue regions of the light spectrum, they absorb only about 90 percent of the green photons. If they absorbed more, they would look black to our eyes. Plants are green because the small amount of light they reflect is that color.
Why do plants use energy from the sun?
Plants rely on the energy in sunlight to produce the nutrients they need. To protect themselves, they convert the excess energy into heat and send it back out. Under some conditions, they may reject as much as 70 percent of all the solar energy they absorb.
What do plants use energy from the Sun?
Energy From the Sun – Green Plants as Primary Food Producers. What do the photovoltaic array shown below on the left, and the tomato plant, shown with Tomatosphere TM Principal Investigator, Dr. Michael Dixon, have in common? They both convert sunlight, (radiant energy), into forms useful to humans.
How does a tomato plant store solar energy?
The photovoltaic array absorbs solar energy and stores it as chemical potential energy in batteries. The leaves of the tomato plant absorb solar energy that is (mainly) stored as chemical potential energy in compounds called carbohydrates. Photovoltaic cells are well known for their ability to convert solar energy (1) into electrical energy.
How are plants converted to other forms of energy?
Plants also convert sunlight into other forms of energy. In this case plants convert light energy (1) into chemical energy, (in molecular bonds), through a process known as photosynthesis.
Where do animals get most of their energy from?
When animals eat green plants (2) they consume and absorb some of this energy, which stored as chemical energy in compounds known as fats and protein. Milk from cows is a good source of solar energy (3), (also an excellent source of essential vitamins and minerals).