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PHOTOSYNTHESIS AND ENDOTHERMIC REACTION

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psbb 10a

on 2 July 2014

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Transcript of PHOTOSYNTHESIS AND ENDOTHERMIC REACTION

Photosynthesis as an Endothermic reaction
WHAT IS PHOTOSYNTHESIS?
Photosynthesis is an example of an endothermic chemical reaction. In this process, plants use the energy from the sun to convert carbon dioxide and water into glucose and oxygen. This reaction requires 15MJ of energy (sunlight) for every kilogram of glucose that is produced.
Plants store energy through the endothermic reactions of photosynthesis.Living things can release energy through a series of Exothermic reactions called Respiration. The energy stored in plants through photosynthesis can also be released in other ways. Consider energy from fossil fuels.



COOKING
Examples of endothermic reactions
MORE ON ENDOTHERMIC REACTIONS
By-
Aadarsh (1)
Abinaya (4)
Ananya (9)
Anjali (10)
Shreeraam (23)

Photosynthesis And
Endothermic Reactions

Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the sun, into chemical energy that can be later released to fuel the organisms' activities. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water.
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Plants store energy through the endothermic reactions of photosynthesis.Living things can release energy through a series of Exothermic reactions called Respiration. The energy stored in plants through photosynthesis can also be released in other ways. Consider energy from fossil fuels.

Fossil fuels include petroleum, natural gas, and coal. These substances are formed from fossilized materials, mainly plants. The materials had been under high pressures and temperatures for millions of years.When these plants were alive, they used photosynthesis to produce glucose and other molecules from carbon dioxide and water.The energy stored in the bonds of these molecules remains, even though the molecules have changed over time.
SWEAT
Water evaporating is a common form of endothermic reaction.The water takes the heat to from a liquid to gas.
So the water in the sweat evaporates by using the heat in the body,therefore it cools the body,
The process of cooking is a endothermic reaction as heat is absorbed while cooking the food.
Frying of egg is an endothermic reaction
as the egg absorbs the from the pan to
cook
Full transcript