Energy

Vee Kirkland
Note by Vee Kirkland, updated more than 1 year ago
Vee Kirkland
Created by Vee Kirkland over 6 years ago
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Everything you need to know about Energy!!

Resource summary

Page 1

Energy and all its relations

Energy is the capacity to do work; it can be converted from one form to another.

Energy can exist in one of two states which are interconvertible; Kinetic Energy: Energy of an object in motionA Falling Rock, electricity and LightPotential Energy: Stored energyA rock at the top of a hill or chemical energy

Laws of Thermodynamics (As applied to Biology)

Thermodynamics is the study of energy and its transformation1st LawEnergy cannot be created or destroyed, but can be transformed from one form to another.This is also known as principle of conservation of energy2nd LawThe total disorder (entropy) of a system and its surroundings always increasesAlthough the total energy in the universe does not change

When discussing thermodynamics, scientist refer to a system (object studied) and everything outside of it as its surroundings.

Three types of systems:Isolated System : does not exchange mater or energy with its surroundingsClosed System: exchanges energy with its surroundingsOpen system: exchanges both energy and matter with its surroundings

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