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Light & Sound

opaque blocks light waves examples:wood, metal, rocks
translucent allows some light to pass through examples: frosted glass, shower doors and curtains, gauzy fabric
trasparent allows light to pass through it examples: air, glass, water
concave lens the lens is curved inward, but it bends light rays out
convex lens the lens shape is bulged, but it bends light rays inward
reflect to bounce off the surface of most objects. example: mirror
refract light waves move from one transparent material to another example: air, glass, water, lenses
medium matter through which sound travels
pitch how low or high a sound is
sound a form of energy that travels as waves through matter
vibrate to move back and forth quickly
volume how loud or soft a sound is
wave a change that carries energy from one place to another
If the frequency of a wave is changed then the pitch of the sound will change.
If the amplitude of a wave is changed then the volume of the sound will change.
frequency of a sound wave affects pitch
amplitude of a sound wave affects volume
prism A transparent object that separates white light into all of colors of the rainbow.
amplitude The distance between the resting point and a trough or crest; the height of a wave.
frequency The number of crests or a wave that pass by over a certain amount of time
Created by: ctabor