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SHMS 8th Sci Vocab 3

SHMS 8th Grade Science Vocab 3

Energy The ability to do work or to cause a change.
Kinectic Energy The energy an object has due to its motion.
Potential Energy Stored energy; the energy an object has due to its position, molecular arrangement, or chemical.
Heat The flow of energy from one object at a higher temperature to an object at a lower temperature.
Conduction Process by which energy is transferred by physical contact (collision of molecules).
Convection A process by which energy is transferred in fluids, occurring when a warmer, less dense area of the fluid is pushed up by a cooler, more dense area of the liquid or gas.
Radiation Energy that travels in straight lines across distances in the form of electromagnetic waves.
Law of Conservation of Energy A law stating that no matter how energy is transferred or transformed, it continues to exist in one form or another. Energy cannot be destroyed or created.
Conductor A material that transfers energy easily.
Insulator A material that does not transfer energy easily.
Wave A disturbance that moves energy from one place to another.
Longitudinal wave A wave, in which, displacement of the medium is parallel to the direction of the energy.
Transverse wave A wave, in which, displacement of the medium is perpendicular to the direction of the energy.
Amplitude The maximum amount of displacement in a medium caused by the wave.
Wavelength The distance between identical points on a wave, such as crest to crest.
Frequency How often a wave crosses a certain point usually measured in cycles per second or Hertz.
Created by: hbogue