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10 terms

CHAPTER 12- SOUND AND ELECTROMAGNETIC ENERGY

STUDY
PLAY
waves
disturbances that transfer energy from place to place. they travel through mediums
reflection
bouncing back of a wave after it hits a surface
refraction
bending of a wave as it moves from 1 medium to another
diffraction
bending of waves around a barrier
radio and TV waves
entertainment/information
microwaves
cook food fast
infrared
warms food
visible
ROYGBIV
ultraviolet
sun tan, sun burn, skin cancer
gamma rays
nuclear energy and bombs, cancer treatment