1. Rigidity: The condition which do not alters the shape of solids.
2. Compressibility: Compressing particles of gases is called compressiblity.
3. Filling a gas container: In the laboratory, after the preparation of gases, they are collected in gas jar. This is called filling a gas container.
4. Fludity: Fluidity means flowing of liquids freely.
5. Shape: Things are in which form is called shape.
6. Kinetic energy: The energy possessed by moving body is called kinetic energy.
7. Density: Density is the mass per unit
Density = \(\frac{Mass}{Volume}\)
