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Energy and Waves

Science Key Words

Incident Ray An incident ray of light that strikes a surface eg. a rare view mirror.
Convex Having an outline or surface curved like the exterior of a circle or sphere
Retina A layer at the back of the eye-ball that contains cells that are sensitive to light.
Refraction The fact or phenomenon of light, radio waves etc
Sound energy Energy produced by vibrating objects passed from atom to atom.
Frequency The number of crests of waves past a point or given time at the rate of which something travels.
Transverse Wave Like the waves you see in the ocean. Group down at 90*
Concave Having an outline or surface that curves inwards like the interior of a circle or sphere.
Mirror A surface usually made of glass, which reflects a clear image.
Lenses A piece of glass or another transparent material with curved sides for concentrating or dispersing light rays, used singly or with other lenses.
Opaque An object you can't see through eg. wood
Visible spectrum Visible to the human eye. a form of electromagnetic radiation.
Prism A solid geometric figure whose two ends are similar, equal and parallel rectilinear figure usually a quadrilateral.
Wavelength The maximum wavelength between the crest and the trough
Light energy The energy of electromagnet waves eg. microwaves, visible light.
Kinetic Energy A energy made by a moving objects motion eg. moving cars or biking
Joules The unit of energy created by James Prescott Joule
Gravitational Potential Energy Energy stored in a object due to it's height above the ground about to go into kinetic energy.
Created by: lucy1