CHAPTER 12- SOUND AND ELECTROMAGNETIC ENERGY

10 terms by sammycards

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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

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