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  • Created by: Saleha.A
  • Created on: 15-05-13 08:49


solids liquids and gases ( your mouth ever watered when you smell good cooking?

Have you ever wondered how the smell reaches you?

Well the smell arrives at your nose as tiny food particles-too small to see. The particles are given off from the hot food.

Everything is made up of particles-Even you!!!

When the particles of one substance move through and mix with particles of another substance, we call it diffusion.

So what does diffusion tell us?              


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