Chapter 19 Word Scramble
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Term | Definition |
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 |
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