Question

CHAPTER 4
SORTING MATERIALS INTO GROUPS
ASSIGNMENT - II
Q1. Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other.
Give some properties (hard, smooth, lustrous, soft, non lustrous, rough) by which we can prove
that these materials are different.
Chalk
Hard, non-lustrous, rough
Wood
Blaster
Hard, insolubles, sinks, dull, rough, non- dushows
Lustre, inolable, smooth
Non-lustious, rough, hard
Aluminium
Candle
Cotton
Iron nail​

Answer 1

Chalk- brittle, rough

Iron nail- hard, lustorous, sinks

Wood- hard, rough, dull

Aluminium- lustorous, hard

Candle- brittle, dull

Cotton- soft, lightweight