Name the characteristics of matter that are demonstrated by diffusion.

1. Particles of matter have spaces between them. You can see in this Fig.1 air particles have spaces between them

2. Particles of matter can move. Particles move from high Concentration to low concentration. As we light the incense stick in room we can smell its fragrance everywhere in the room.

Fig.4 Diffusion in gases

Fig.5 Diffusion in liquids