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Energy (Because of the direct connection between energy and work, energy…
Energy
Because of the direct connection between energy and work, energy is measured in the same unit as work : Joules
Five main forms of energy are: Heat, Chemical, Electromagnetic, Nuclear, Mechanical
The internal motion of the atoms is called heat energy, because moving particles produce heat
Heat energy can be produced by friction
Heat energy causes changes in temperature and phase of any form of matter
Chemical Energy is required to bond atoms together
When bonds are broken, energy is released
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Mechanical Energy - When work is done to an object, it acquires energy
Energy Conversion- Energy can be changed from one form to another. Changes in the form of energy are called conversion
Alll forms of energy can be converted into other forms. The sun's energy through solar cells can be converted directly into electricty
The most common energy conversion is the conversion between potential and kinetic energy All forms of energy can be in ether of two states
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The energy of motion is called kinetic energy. The faster it moves is the more kinetic energy it has. The greater the mas of an object, the more kinetic energy it needs.
Potential energy is stored energy. Stored chemically in fuel, the nucleus of atom, and in foods. Or stored because of the work done on it.
Gravitational Potential Energy- Potential energy that is dependent on height is called gravitational potential energy
The law of conversion of energy- Energy may change forms but it cannot be created or destroyed under ordinary conditions
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