Page 36 - Understanding NCERT Science 09

(c) Mixing of iron filings and sand
(d) Cooking of food
(e) Digestion of food
(f) Freezing of water
(g) Burning of a candle

Group Activity

Take an earthen pot (mutka), some pebbles and sand. Design a
small-scale filtration plant that you could use to clean
muddy water.

IS MATTER AROUND US PURE? 25

Rationalised 2023-24