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by Suhail Ahanger

    • Do not Inhale/ingest yeast ! It is a fungus !

    • Wash your hands thoroughly after handling yeast

  1. Take about 100-200 ml of water in a vessel. Add 4 teaspoons of sugar. Stir and mix it well until the sugar dissolves in water.
    • Take about 100-200 ml of water in a vessel.

    • Add 4 teaspoons of sugar.

    • Stir and mix it well until the sugar dissolves in water.

  2. Carefully pour the sugar solution into a 500 ml plastic bottle. Take about 3-5 gm of yeast. Add the yeast to sugar solution.
    • Carefully pour the sugar solution into a 500 ml plastic bottle.

    • Take about 3-5 gm of yeast.

    • Add the yeast to sugar solution.

  3. Stretch the balloon and fix it over the mouth of plastic bottle. Gently shake the bottle without allowing its contents to enter the balloon. Gently shake the bottle without allowing its contents to enter the balloon.
    • Stretch the balloon and fix it over the mouth of plastic bottle.

    • Gently shake the bottle without allowing its contents to enter the balloon.

  4. Fermentation will happen and as  a result carbon dioxide will be released. The build up of carbon dioxide in bottle will inflate the balloon After one hour
    • Fermentation will happen and as a result carbon dioxide will be released.

    • The build up of carbon dioxide in bottle will inflate the balloon

    • After one hour

    • After two hours

    • After three hours

    • Sugar is not completely dissolved in water - It will delay the process further!

    • Sugar added is not adequate to produce enough carbon dioxide to blow the balloon.

    • Inadequate quantity of yeast.

    • Sufficient time must be allowed for the process to take place - be patient !

    • Keeping the amount of water and yeast constant, dissolve different quantities of sugar. Observe and compare the results.

    • Keeping the amount of water and sugar constant, try adding more yeast. Does it speed up the process ?

Finish Line

Kailash NR

Member since: 05/02/2017

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