2006-09-26 23:09:58 · 8 answers · asked by rainbow 1 in Science & Mathematics ➔ Biology
friction,combustion,fusion reaction,fission reaction,metabolism
2006-09-26 23:15:54 · answer #1 · answered by Harinder S 1 · 0⤊ 0⤋
Fire
magnifying glass (directs sun light)
Friction- like a leather belt being quickly pulled around or back and forth over an object
warm breath
2006-09-27 06:27:39 · answer #2 · answered by cork 7 · 0⤊ 0⤋
friction (mechanical), chemical , nuclear and electromagnetic dissipation
2006-09-27 06:13:25 · answer #3 · answered by Gandalf 3 · 0⤊ 0⤋
love generates heat
2006-09-27 06:10:58 · answer #4 · answered by M S 4 · 0⤊ 1⤋
straighteners, hair dryer kettle cooker
2006-09-27 06:19:32 · answer #5 · answered by mum-2-be 3 · 0⤊ 0⤋
friction,combustion,chemical reaction,nuclear fission.
2006-09-27 06:11:34 · answer #6 · answered by Alfred E. Newman 6 · 0⤊ 0⤋
raidiator,electric fire,sun cooker
2006-09-27 06:11:21 · answer #7 · answered by private 2 · 0⤊ 1⤋
pulley, inclined plane, lever and sex
2006-09-27 06:13:22 · answer #8 · answered by andy 2 · 0⤊ 1⤋