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Energy
Types
Thermal
Thermal energy is energy that comes from a substance whose molecules and atoms are vibrating faster due to a rise in temperature.Thermal energy is the energy that comes from the heated up substance. The hotter the substance, the more its particles move, and the higher its thermal energy.
Chemical
Chemical energy is the potential of a chemical substance to undergo a chemical reaction to transform into other substances. It is released in the chemical reaction and mostly produces heat as a by-product, known as an exothermic reaction.
Electromagnetic
Electromagnetic energy is a term used to describe all the different kinds of energies released into space by stars such as the Sun. Electromagnetic energy is a form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space.
Kinetic
Kinetic energy is the energy associated with the object’s motion. Objects in motion are capable of causing a change or are capable of doing work. Kinetic energy can be transferred between objects and transformed into other kinds of energy.
Gravitational Potential
Gravitational potential energy is the energy stored in an object as the result of its vertical position or height. The energy is stored as the result of the gravitational attraction of the Earth for the object.
Sound
Sound energy is the movement of energy through a substance in waves. Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.
Sources
Solar
Solar energy is energy that is coming from the sun. This energy can be used in many ways including heating water and using it to generate electricity in our homes.
Nuclear Fission
Nuclear fission is the process in which a large nucleus splits into two smaller nuclei with the release of energy. In other words, fission the process in which a nucleus is divided into two or more fragments, and neutrons and energy are released.
Wind
Some examples of wind energy include windmills, wind farms and trasporations like the turbines used in airplanes and boats
Water
. Water energy resources include hydroelectric power from lakes and rivers, ocean energy in its various forms, and energy technologies that take advantage of saline water. Hydropower makes use of the kinetic energy water gains when it drops in elevation.
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Transfer
Radiation
Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials.
Conduction
Conduction is the transfer of energy in the form of heat or electricity from one atom to another within an object by direct contact.
Convection
Convection is the process of heat transfer by the bulk movement of molecules within fluids such as gases and liquids.
Conservation of Energy
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another.
Definition
Energy is a conserved quantity and the law of conservation of energy states that energy can neither be created nor destroyed but can only be converted from one form to another. The SI unit of energy is Joule.
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