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S8P54.a,b

TermDefinition
S8P4.a Wave a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
Medium a physical environment in which phenomena occur
Mechanical wave a wave that needs a medium in which to travel
Transverse wave a wave in which the particles of the medium move perpendicularly to the direction the wave motion
Longitudinal wave a wave in which the particles of the medium vibrate parallel to the direction of wave motion
Compression part of the longitudinal wave in which the particles bunch up closer together
Rarefraction part of the longitudinal wave in which the particles expand and move apart
Electromagnetic wave a wave that consist of electric and magnetic fields that vibrate at right angles to each other
S8P4.b Reflection the bouncing of a ray of light , sound, or heat when the ray hits a surface that does not go through
Refraction the bending of a wave as the wave as the wave passes between the two substances in which the speed of the waves differs
Diffraction a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
Transmission the passing of light or other form of energy through matter
Absorption in optics, the transfer of light energy to particles of matter
Created by: Jakiyah1