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Physical:
1. freezing of water for ice cubes
2. boiling of water for tea
3. sawing lumber for building

Chemical:
1. baking of bread
2. gasoline exploding and firing pistons of a car
3. conversion of oxygen into carbon dioxide in our bodies

2007-02-08 03:22:38 · answer #1 · answered by Don E 4 · 0 0

physical changes
1. freezing water for ice
2.melting candle
3.sugar solution[sugar+water]

chemical changes
1.rusting of iron
2.burning firewood
3.toasting bread

2007-02-08 12:05:12 · answer #2 · answered by genius 1 · 0 0

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