Tuesday 1 July 2014

Kinetic Particle Theory, Brownian Motion and Diffusion

On 1 April 2014, the teacher taught us about the Kinetic Particle Theory, Brownian Motion and Diffusion.

So, What is the Kinetic Particle Theory? The Kinetic Particle Theory is a theory that states that matter is made up of large number of tiny particles (atoms or molecules), which are a continuous and random motion.

Besides, we also learnt about Brownian Motion! Brownian Motion is the continuous and random motion of small particles in fluids (liquids or gases). Brownian Motion involves 2 motions, a gas/liquid particle that is the particle that is moving continuously and randomly due to its kinetic energy. The other type of motion would be small solid particles that are bombarded by the gas particles in random directions, therefore causing it to move.

In addition, we learnt that Diffusion is the particles moving randomly from a region of a high concentration to lower concentration.




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