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Waves & Technology

Wave A disturbance that transfers energy from place to place
Energy The ability to do work
Amplitude The maximum distance that the particles of the medium carrying the wave move away from their resting position
Wavelength Distance between two corresponding points (crest to crest, trough to trough)
Frequency The number of complete waves that pass at a given point in a certain amount of time
Vibrate Repeated back-and- forth or up-and- down motion
Crest The high point of a wave
Trough The low point of the wave
Resting position The position in which the wave would sit if there was no disturbance moving through it
Mechanical waves Waves that travel through gases, liquids, or solids
Medium Material through which a wave travels
Damping decrease in amplitude as energy decreases because of friction, air resistance, gravity, etc.
Speed How far a wave travels in a given amount of time
Electromagnetic wave Waves that transfer electric and magnetic energy through the vacuum of space
Electromagnetic spectrum The complete range of electromagnetic waves placed in order of increasing frequency
Visible Light Electromagnetic waves that are visible to the human eye
Opaque A material that reflects or absorbs all the light that strikes it
Primary Colors Three colors that can be used to make any other color; red, yellow, blue
Primary Colors of Light Red, Blue, and Green
Angle of Incidence The angle at which the light is coming in
Law of Reflection The rule that the angle of reflection equals the angle of incidence
Plane Mirror A mirror that has silver-colored coating on one side and a reflective side on the other
Concave Mirror A mirror with a surface that curves inward
Convex Mirror A mirror with a surface that curves outward
Refract To bend waves as they enter a new medium at an angle
Lens A curved piece of glass or other transparent material that is used to refract light
Convex Lens A lens that is thicker in the center than at the edges
Concave Lens A lens that is thinner in the center than at the edges
Created by: rdrodriguez2003



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