A wooden chair is a solid at room temperature.Give two reasons.

5

(a)

List two properties that liquids have in common with gases.

5

(a)

Name the state of matter in which:
(i) layers of particles can slip and slide over each other
(ii)particles just move around randomly because of very weak force of attraction.

5

(a)

How does the water kept in an earthen pot(matka) become cool during summer?

5

(a)

What type of clothes should we wear in summer?

5

(a)

Convert the following temperatures to Kelvin scale.
(a) \(25°C\) 
(b) \(373°C.\)

5

(a)

Give two reasons to justify:
(a) water at room temperature is a liquid.
(b) an iron almirah is a solid at room temperature.

5

(a)

Differentiate between properties or characteristics of three states of matter.

5

(a)