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chapter 17 sound and

sound and light

frequency THe number of vibrations per second of a sound
pitch how high or low a sound is
vibration back and forth movement of matter
Volume The loudness of a sound
Sound Travel through mediums such as solids, liquids and gases in transfers waves. These waves have molecules which vibrate to continue a sound until it reaches your eardrum
Transparent Letting all light pass through
Translucent Letting some light pass through
Opaque Does not let pass through
Reflection The bouncing of light off of surfaces
Refraction The bending of light as it moves from one material to another.
Concave Lens Thicker at the edges than at the center. Spreads light waves apart.
Convex Lens Thicker at the center than at the edges. Bends light waves to make them come together.
Electromagnetic Spetrum The spectrum that makes up the frequence range of all light. Waves from least frequency to greatest: radio waves, microwaves,infrared waves, ultraviolet waves, X-Rays
Created by: cverkamp