Game Smartz

Sound and Light

Science

Sound and Light Chapter Video

Sound and Light Chapter Video

concave lens

a lens with a center thinner than its edges
concave lens Simple Definition

convex lens

a lens with a center thicker than its edges
convex lens Simple Definition

frequency

the number of cycles or vibrations per second, measured in hertz (Hz)
frequency Simple Definition

opaque

a material that does not let any light pass through
opaque Simple Definition

pitch

how high or low a sound is, as determined by its frequency
pitch Simple Definition

reflection

the bouncing of light, sound, or heat waves off a surface
reflection Simple Definition

refraction

the bending of light when it passes from one substance into another
refraction Simple Definition

sound volume

the loudness or softness of sound
sound volume Simple Definition

translucent

allows some light to pass through but scatters it
translucent Simple Definition

transparent

allows light to pass through
transparent Simple Definition

vibration

the rapid back-and-forth movement of matter
vibration Simple Definition

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