Question

Compare a block of wood, water and air on the basis of the following

A) Compressibility

B) Particle motion

C) Rigidity

for Class 9

Answer 1

1.Wood is not compressible whereas water and air are compressible.
2.In wood particle motion is very less but water and air particle motion is more
3.Wood is very rigid whereas water and air are not rigid as compared to wood