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Chapter 19

Light-SSMS

TermDefinition
state one of the three forms-solid, liquid, gas
change of state the physical change of matter from one state to another
melting the change from a solid to a liquid
freezing the change from a liquid to a solid
evaporation the process by which molecules of a liquid absorb energy and change to gas
boiling point the temperature at which a liquid begins to boil
condensation the change from a gas to a liquid
thermal expansion the expansion of matter when it is heated
thermal energy the total potential and kinetic energy of the particles in an object
wave a repeated motion
amplitude a measurement that indicates the movement or vibration of something
frequency the number times that something is repeated in a period of time
wavelength the distance between the crest of one wave and the crest of the next wave
seismic waves vibrations that travel through Earth carrying the energy released during an earthquake
compression stress that squeezes rock until it folds and breaks
transverse waves a wave in which the vibrating element moves in a direction perpendicular to the direction of advance of the wave
longitudinal waves a wave (as a sound wave) in which the particles of the medium vibrate in the direction of the line of advance of the wave
transparent transmits light without scattering it
translucent scatters light as it passes through
opaque reflects or absorbs all the light that strikes it
cornea the transparent front surface of the eye
pupil the opening in the center of the iris through which light enters the inside of the eye
iris rods any of the long rod-shaped photosensitive receptors in the retina responsive to faint light
cones cells in the retina that respond to and detect color
optic nerve short, thick nerve that carries signals from the eye to the brain
retina the layer of cells that lines the inside of the eyeball
primary three colors that can be used to make any other color
secondary any color produced by combining equal amounts of any two primary colors
Created by: autumn.crandall
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