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Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?

endothermic: it requires absorbtion of energy (sunlight)

chemical reaction: because it makes new chemical compounds (sugars)

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Photosynthesis requires energy, making it an endothermic reaction. Light, generally sunlight, is the source of this energy. The process converts the sun’s electromagnetic energy into chemical energy, which is then stored in chemical bonds in the plant. Sunlight is the primary source of energy on the surface of Earth.

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Did you know?

Did you know that photosynthesis, the process by which plants convert sunlight into energy, is not only a chemical reaction but also classified as endothermic? During photosynthesis, plants utilize water, carbon dioxide, and sunlight to produce glucose and oxygen through a series of chemical reactions. It is considered a chemical reaction as it involves the rearrangement of atoms and the formation of new molecules. Furthermore, photosynthesis is endothermic, meaning it requires an input of energy, usually in the form of sunlight, to proceed. This energy is captured by chlorophyll, the green pigment found in plant cells, and is used to drive the chemical reactions of photosynthesis. So, the next time you see a vibrant green leaf, remember that its color is evidence of the incredible chemical and energy transformations happening within!