Energy: Light , Sound, Heat Transfer,
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| Conduction | The transfer of thermal energy through touching
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| convection | the transfer of thermal energy through liquids and gases
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| radiation | the transfer of heat energy through waves
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| transfer | to move from one location to the next
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| vibration | a periodic motion of the particles of an elastic body or medium in alternately opposite directions from the position of equilibrium when that equilibrium has been disturbed
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| medium | a substance regarded as the means of transmission
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| rarefaction | a state or region of minimum pressure in a medium traversed by compressional waves (such as sound waves)
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| infrared | situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter
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| frequency | the number of times that a periodic function repeats the same sequence of values during a unit variation of the independent variable
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| longitudinal wave | particles of the medium vibrate in the direction of the line of advance of the wave
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| compression | a longitudinal wave (such as a sound wave) propagated by the elastic compression of the medium
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| transparent | having the property of transmitting light without appreciable scattering so that bodies lying beyond are seen clearly
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| ultraviolet | situated beyond the visible spectrum at its violet end —used of radiation having a wavelength shorter than wavelengths of visible light and longer than those of X-rays
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| amplitude | the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extreme
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| transverse waves | a wave in which the vibrating element moves in a direction perpendicular to the direction of advance of the wave
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| electromagnetic waves | a wave of energy having a frequency within the electromagnetic spectrum.
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| translucent | transmitting and diffusing light so that objects beyond cannot be seen clearly
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| equilibrium | a state of adjustment between opposing or divergent influences or elements (balanced)
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| pitch | the property of a sound and especially a musical tone that is determined by the frequency of the waves producing it :highness or lowness of sound
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| trough | a long, low area between waves
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| disturbance | a local variation from the average or normal conditions
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| opaque | blocking the passage of radiant energy and especially light
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| conductors | a material or object that allows electricity or heat to move through it
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| loudness | the attribute of a sound that determines the magnitude of the auditory sensation produced and that primarily depends on the amplitude of the sound wave involved
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| crest | the highest part or point of the wave
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| refraction | the action of distorting an image by viewing through a medium;
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| insulators | a material that is a poor conductor (as of electricity or heat)
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| electromagnetic spectrum | the range of all possible frequencies of electromagnetic radiation
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| refraction | the bending of a ray when it passes at an angle from one medium into another in which the speed is different
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| energy | ability to cause change in matter
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Ms. Long 6
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