Forms of Energy. Ability to do work or cause change Produces Warmth Produces Light Produces Sound Produces Movement Produces Growth Powers Technology.

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Presentation transcript:

Forms of Energy

Ability to do work or cause change Produces Warmth Produces Light Produces Sound Produces Movement Produces Growth Powers Technology What is energy?

POTENTIAL KINETIC Stored energy or energy of position Gravitational, Stored Mechanical, Nuclear, Chemical Energy of motion Motion, Electrical, Sound, Radiant, Thermal Classes of Energy

Gravitational Energy – energy an object or substance has because of its position Anything “up high” Potential Energy

Stored Mechanical Energy – stored in an object by the application of force Must push or pull on an object Potential Energy

Nuclear Energy – energy stored in the nucleus of an atom Holds the atom together Nuclear Energy – energy stored in the nucleus of an atom Holds the atom together Potential Energy

Chemical Energy – energy stored in the bonds between atoms Holds molecules together Potential Energy

Mechanical (Motion) Energy – movement of objects or substances from one place to another Kinetic Energy

Electrical Energy – movement of electrons NOT AN ELECTRON PARADE! Kinetic Energy

Sound Energy – movement of energy through substances in the form of longitudinal/compr ession waves Kinetic Energy

Radiant Energy – electromagnetic energy that travels in transverse waves Kinetic Energy

Thermal (Heat) Energy – internal energy of a substance due to the vibration of atoms and molecules making up the substance

1 – Energy can not be created nor destroyed, only changed. Law of Conservation of Energy First Law of Thermodynamics 2 – Energy will always transfer from high to low. 3 – No energy transfer is 100% efficient. Energy Transfers

Name the Transfer

Energy does work or causes change. Two main classes of energy: potential and kinetic. In Review

Potential Energy – stored energy or energy of position Gravitational, Stored Mechanical, Nuclear, Chemical Kinetic Energy – energy of motion Motion/Mechanical, Electrical, Sound, Radiant, Thermal/Heat Energy can not be created nor destroyed, only changed. Energy always transfers from high to low. Energy transfers are never 100% efficient.