firework嘅energy change!!10點!!

2010-06-11 3:16 am
唔該我想知道firework嘅energy change啊!!
今日之內要回答!!!

回答 (3)

2010-06-11 5:39 am
1.Chemical Energy



2.Heat Energy(煙火的熱力) +Light energy(煙火的光) + Sound energy(煙火的聲音)
2010-06-11 3:41 am
More exactly,
chemical energy --> heat --> light and sound energy
2010-06-11 3:27 am
change from chemical energy to light and sound energy
參考: me


收錄日期: 2021-04-29 17:36:50
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