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Unit 2

Conduction the transfer of heat energy into solids
Convection the transfer of heat energy in fluids
Diffraction the spreading out of light or sound waves after passing through an opening
Doppler Effect the apparent change in frequency or waves emitted by an object moving toward or away from an observer
Electromagnetic Wave a traveling disturbance in the electric or magnetic fields that permeate space
Fission process by which a nucleus splits into two or more fragments and releases neutrons and energy
Fusion the process in which light nuceli combine at extremely high temperatures, forming heavier nuceli and energy
Pitch a measure of how high or low a sound is percieved to be depending on the frequency of the sound wave
Amplitude the maximum distance that the particle of a wave's medium vibrate from their rest position
Reflection the bouncing back of a ray of light, sound or heat when the ray hits a surface that it does not go through
Refraction the bending of a wavefront as the wavefront passes between two substances in which the speed of the wave differs
Radiation the energy that is transfered as electromagnetic waves such as visible light and infrared light
Mechanical wave a wave that requires a medium through which to travel
Interference the combination of two or more waves that result in a single wave
Specific heat the quantity of heat required to raise a unit mass of homogeneous material 1K or 1C in a specified way givenconstant pressure and volume
Wavelength the distance from any point on a wave to an identical point on the next wave
Frequency the number of cycles or vibrations per unit of time; also the number of waves produced in a given amount of time
Doppler Effect the observed change in the frequency of a wave when the source or observer is moving
Electromagnetic wave a wave that consisit of oscillating electric and magnetic fields, which radiate outward at the speed of light
Speed the distance traveled divided by the time interval during which the motion occurred
Created by: beachhs