See if temperature has an effect on the amount of Carbon Dioxide produced during fermentation.

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Rosie Corbett.

Fermentation.

Aim: In this investigation I am going to see if temperature has an effect on the amount of Carbon Dioxide produced during fermentation.

Prediction: I predict that the higher the temperature the more Carbon Dioxide will be collected. I think that when the temperature gets too high then the reaction will stop all together.

Fair Test: To make my experiment fair, I am going to have to do a number of things, such as:

  • Make sure I am setting up the equipment correctly
  • I will make sure I am measuring the time correctly for each different temperature
  • Make sure that the water is the exact temperature so there is no advantage or disadvantage
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Equipment:

  • 2 test tubes
  • Water
  • Bung
  • Carrying tube
  • Stopwatch
  • Tray
  • Yeast
  • Bunsen Burner
  • Thermometer
  • Gauze
  • Tripod

Scientific Knowledge,

The enzymes in yeast help to produce energy from sugar by breaking down glucose into Carbon Dioxide and Ethanol, this process is called FERMENTATION. The enzyme found in yeast is Zymase. An example of an enzyme, or ferment is lactase, which is found in milk causes the milk to turn sour by changing lactose into lactic acid. The most important type of fermentation is alcoholic fermentation. There are lots of forms of fermentation such as when wine ...

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