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Overview         (For age - group : 11 - 16 )

Fully animated 'Escaping of air from balloon' shows how molecular diffusion takes place, what appears as a solid object is in fact not so, especially if we zoom in to molecular level. The deflating of a balloon over a period of time is a result of this effect.

Product - Animation
  Size/Duration Subscribe Preview / Trailer
Size (KB) 1334 US$    0.75 Rs.59.25
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Subscription Days = 30 Watch a preview (opens in separate window)
Duration (hr:min:sec) 0:12:0
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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
: 12 minute


The animation has the following sections:

  • Balloon and its structure
  • Air Escaping out of balloon
  • Common Questions
    • Myth: The pressure inside a bigger balloon is higher
    • Science Project 1: Interconnecting two balloons
    • Why it is difficult to start blowing a balloon?
    • Why do balloons filled with helium deflate faster?
    • Can a balloon inflate when kept for some days?
    • Science Project 2 - Balloon inflates when kept in air
    • Myth: Balloon will deflate faster in a cold room

  • Snapshots         
    Diffusion-Escaping of air from balloon
    Polymer chains play a big role in diffusion of air or helium out of a balloon.

    Diffusion - questions and answers on balloon

    These are questions that are answered in detailed, there are some science projects pertaining to diffusion, common myths about balloon and questions on inflation and deflation of a balloon.
    Details of the animation/ movie /software

    It is difficult to realize that the escaping of air from balloon is a function of diffusion, diffusion normally occurs through porous membranes but a balloon looks solid, how is it possible for diffusion to occur. A balloon is however made up of polymer chains. These chains have spaces between them to make them porous.

    • Balloon and its structure
    • Air Escaping out of balloon
    • Common Questions
      • Myth: The pressure inside a bigger balloon is higher
      • Science Project 1 : Interconnecting two balloons
      • Why it is difficult to start blowing a balloon?
      • Why do balloons filled with helium deflate faster?
      • Can a balloon inflate when kept for some days?
      • Science Project 2 - Balloon inflates when kept in air
      • Myth: Balloon will deflate faster in a cold room

    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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