Question

Activity of take a glass fill half with water mark the level of water dissolve some salt or sugar with the help of teaspoon observe any change in water leval

Answer 1

this activity shows that there is space between the particles of matter

Answer 2

(a) Salt is dissolved in water

(b) Particles of salt filled in the gaps between the particles of water.

(c) No, there is no change in level of water.

This activity shows that,

Matters are made of small particles. And there is space between these particles.