Question

Bursting of a firecracker is a_________ change(slow /fast)

Answer 1

• The change that occur over a long period of time is known as slow change. It may take hours, days, months, or years for the change to take place.
• Example: Rusting of Iron nails.
• The change that occurs within a short period of time is known as fast change. It takes only few seconds or millisecond to takes place.
• Examples: Burning of fuels and fireworks.
• Hence, Bursting of a firecracker is a fast change as it takes fraction of millisecond of time to takes place.