Light & Sound Flashcards
No light can pass through it
Opaque
Some light can pass through it
Translucent
All light passes through it
Transparent
When light is reflected, the light rays hit an object and bounce off at an angle ________________ to the angle at which they hit they object.
Identical
The ______________ the surface is, the more reflective it is.
Smoother
If a surface is _______________, the light waves scatter in different directions.
Rough
Objects with ________________ don’t reflect light in a straight path
Curves
________________________ is the bending of light as it passes from one transparent object into another.
Refraction
When light is refracted, the light wave is _________________, and the direction in which is travels is changed
bent
A form of energy produced by vibrating objects
Sound
________________________ produce sound when they are struck or strummed.
Instruments
Sound energy travels in ____________________ from the source outward.
Waves
Sound energy needs a ____________, a ______________, or a ______________ in order to move.
liquid, solid, or gas
The strength of vibrations changes the _________________.
Volume
A light touch will produce a sound with a ________________ volume.
Lower
