a: Thermal energy ~
b: sound of popcorn in a glass bottle
What:
Thermal energy, perceived as warmth to human touch, is caused by the vibration of molecules of an object. You can't directly feel the molecules vibrating;you feel the effect. Now think about a glass bottle of un-popped popcorn. If you shake it and the popcorn hits the inside of the bottle, it makes noise. This is somewhat like the molecules vibrating and creating perceptible thermal energy.
Useful?
Writer: Lucrezia
LCC:
Where: Reference Link Has Evaporated
Date: Mar 19 2016 8:25 PM
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