Question

give 10 examples of fast changes that can be shown through an experiment...

Answer 1

Answer:

The changes which take place in a long period of time are called slow changes whereas that changes which take place in a short period of time are called fast changes.

Examples:

(a) Rusting of iron, formation of day and night, ripening of fruits, growing of trees are slow changes.

(b) Burning of paper, stretching of rubber band, blowing of balloons, bursting of crackers are fast change

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Answer 2

Answer:

Some changes that occur within a short period of time, it is known as the fast change.

Examples are-

• Rusting of iron
• Brusting of a balloon
• Burning of paper
• Burning of matchstick
• Burning of fuels and fireworks
• Melting of ice
• Breaking of a glass tumbler
• Brusting of crackers
• Hammering of metals to form sheets
• Burning of a gas