IA camper rubs a match on a gritty surface.
IIThe match is then used to ignite a pile of wood kindling, creating a bonfire.
IIIWhile standing by the bonfire, the camper senses that the part of his body facing the fire is warm while his backside remains cool.
IVAnother group of campers across the lake spots the bonfire.
Which of the above describes a conversion of mechanical energy to heat?
Which of the above describes a conversion of chemical energy to heat?
Which of the above describes a conversion of heat to radiant energy?
2006-12-12
03:19:33
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3 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics