Question

Classify the following into slow and fast changes:
(i) Spinning of top
(ii) Formation of day and night
(iii) Formation of curd from milk
(iv) Change of season
(v) Making curd from milk by adding lemon juice.

Answer 1

(i) Spinning of top - Fast change.
(ii) Formation of day and night- Slow change
(iii) Formation of curd from milk- Slow change
(iv) Change of season- Slow change
(v) Making curd from milk by adding lemon juice- Fast change.