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Changes Around Us — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYChanges Around Us3 Marks
Question
Differentiate between the following changes with suitable examples.
Periodic and non-periodic changes
✓

Answer

Periodic
  1. These are changes that are repeated at regular intervals of time.
  2. Examples – Change of seasons, high tides and low tides, heartbeat, swinging of a clock pendulum, etc.
Non-periodic changes :
  1. These are changes that may occur at any time or occur irregularly.
  2. Examples: Dust storm, rainfall, earthquakes, landslides, etc.

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