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science 9

QuestionAnswer
radiation the transfer of energy through space or matter in the form of waves or particals
photon a fundamental particale representing a discrete bundle of quantum of electro magnetic radiation
refraction the bending of a wave such as light or sound
reflection the change in direction of a wave such as light sound or neutrons
transluccent a material that allows light to pass through but scatters it
transparent a material that allows light to pass through it without scattering it
opaque a substance or object dose not allow light or other forms of readiant energy
loudness the perceptual attribute of sounds strength or intensity
frequency the number of times a repeating event occurs per unit of time
period the time for complete cycle of a repeating event
cycle a recurring sequence of events or processes that repeat in the same order
wavelength the distance between two can secutive corresponding points on a wave
pulse a single vibration or short burst of sound electric current light or other wave
wave a disturbance that transferes energy through a medium or space
medium any substance material or enviroment through which energy like waves
compression wave a type of longitudinal wave where the medium is compressed and expanded in the same direction as the waves propagation
transverse waves a wave in which particals of the medium move perpendicular to the direction wave in travaling
uses includes tanning beds sanitize equipment and backlights ultraviolet waves
has the most amount of energy gamma waves
uses of this wave include cell phones remote controls and micowaves infaread waves
has the least amount of energy radio waves
part of the spectrum we can see visable light
can penetrate skin and tissue but not bones x rays
this kind of a detector is used to detect heat loss infrared
can cause skin cancer ultra violet
used in cancer treament gamma rays
Created by: user-2005061
 

 



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