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Energy Conversions & Heat Transfer
Terms in this set (24)
Chemical Potential Energy
Energy stored in the bonds of atoms and molecules.
Nuclear Potential Energy
Energy stored in the nucleus of an atom.
Gravitational Potential Energy
Energy of position or place.
Elastic Potential Energy
Energy stored in objects by the application of a force.
Radiant Kinetic Energy
Electromagnetic energy that travels in transverse waves, like light.
Electric Kinetic Energy
Movement of electrons.
Mechanical Kinetic Energy
The movement of a substance from one place to another
Sound Kinetic Energy
Movement of energy through substances in longitudinal waves.
Thermal Kinetic Energy
Energy from movement of atoms and molecules within a substance.
Word that describes thermal kinetic energy being transferred.
Energy moving through a substance; objects must come into contact with each other for the energy to pass from one object to another.
Transfers energy by the movement of large numbers of particles in a liquid or gas; Hot particles rise up (less dense) and cold particles fall (more dense), creating currents that travel from place to place.
Energy that travels in electromagnetic (EM) waves; do not need any particles to transfer heat - can travel through empty space.
materials that transfer energy (heat) easily
materials that do not transfer energy (heat) easily
Energy flows FROM _________ TO cooler objects.
This measures how much energy in a conversion can be use for it's intended purpose.
Law of Conservation of Energy
States that energy CANNOT be created OR destroyed (it just changes forms).
Example of Conduction
Electricity passing through a metal wire, holding a warm mug to warm your hands
Example of Convection
Winds and ocean currents, some ovens, cycle of warm particles rising and cold particles sinking
Example of Radiation
Sunlight traveling to earth, infrared waves, visible light, microwaves
An energy conversion in which energy is changed into a specific form that is not intended. This energy is considered wasted because the form of energy it becomes is not wanted or needed in the situation.
An energy conversion in which energy is changed only into its intended form.
When one form of energy changes to another.