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Overview         (For age - group : 11 - 16 )

Brownian motion is related to free wobbly motion of particles in a solution but why does it occur? What factors does it depend upon? What is difference between Brownian motion in a gas and a liquid? These and many other questions are answered in this interactive animation for senior classes and college students.

Product - Animation
  Size/Time Subscribe Preview / Trailer
Size (KB) 1406 US$    0.75 Rs. 48.75
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Subscription Days = 30 Watch a preview (opens in separate window)
Time (hr:min:sec) 0:11:0
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Watch a free preview of this science  and technology animation
                                                                    

This animation has audio.This animation contains sound
Category : Diffusion
Type : Animation with sound
Animation Type : Regular

Total animation length
: 11 minute


The animation has following sections:

  • Why does an atom or molecular particle move?
  • Is the motion of a particle a straight line?
  • What is Brownian motion?
  • Brownian motion depends on which factors?
  • What happens to the energy of the system during Brownian motion?
  • What is the difference between a gas's and a liquid's Brownian movement?

  • Snapshots         
    Example of diffusion - Brownian Motion
    Brownian motion is the cause of many other phenomenon including diffusion, it causes particles to move in a random fashion, many questions on Brownian motion are answered in this section.

    Molecular Brownian Motion

    Brownian motion is caused by elastic collision between two particles, Brownian motion can also be caused by collision with walls of a container, how does this alter the path of a particle? What happens to the energy of system during Brownian motion?
    Details of the animation/ movie /software

    A particle will perform a jittery motion and move randomly in Brownian motion, collision with other particles and walls of the container generates further randomnes; increase in the number of particles increases the randomization of path. Over a period of time the particle, undergoing Brownian motion will visit all the points in the enclosed space.
    The animation broadly covers the following points:

    • Why does an atom or molecular particle move?
    • Is the motion of a particle a straight line?
    • What is Brownian motion?
    • Brownian motion depends on which factors?
    • What happens to the energy of the system during Brownian motion?
    • What is the difference between a gas's and a liquid's Brownian movement?

    The animation explains the process in a clear and lucid manner; it is very easy for the students to understand the process through the animation.

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