5 example of useful changes
7 Std
science lesson no 13 =Changes =physical and chemical
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Examples of Physical Changes You See Every Day
An ice cube melting into water in your drink.
Freezing water to make ice cubes.
Boiling water evaporating.
Hot shower water turning to steam.
Steam from the shower condensing on a mirror.
Examples of Chemical Change in Everyday Life
Burning of paper and log of wood.
Digestion of food.
Boiling an egg.
Chemical battery usage.
Electroplating a metal.
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physical=freezing, melting
chemical=burned wood becomes ash
useful=formation ofcurd from milk
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