14 terms

Sound & Light District Assessment

STUDY
PLAY
mechanical wave
created when a source of energy causes a medium to vibrate
medium
material through which a wave travels
transparent
material that transmits most of the light that strikes it
translucent
material that scatters the light that strikes it
opaque
material that reflects or absorbs all the light that strikes it
light
waves that make things visible
wave
a disturbance that transfers energy from place to place
conservation of energy
energy is always transferred; never created or destroyed
pigments
color substances that are used to color other materials
scattering
when a wave or beam of light gets deflected; causes the sky to appear blue
refraction
bending of waves due to the change of speed as wave enters a new medium; creates rainbows
reflection
bouncing of waves off a surface; creates echoes
color of a transparent object
color that it transmits
color of an opaque object
color that it reflects; all other colors are absorbed