Analysis Of Yeast Lab Report

In the lab, the purpose of it was to show how much carbon dioxide is released depending on what was with the yeast/what they could eat in the bag. Based on the lab results, it showed the purpose very well. In the lab, the bags that had sugar or cornstarch in them grew very big compared to the other bags filled with grass or just yeast. In bag A ( which had sugar with the yeast) there was a huge bubble that was 18 mm tall after 15 minutes. On the other hand, in bag D( with only yeast ) there was not a huge bubble of carbon dioxide, the bubble in this bag was only 4 mm tall after 15 minutes. For bag B( which had cornstarch ) the bubble got as tall as 10 mm tall after 15 minutes. Finally, bag C ( that had grass in it) after 15 minutes was 9 mm …show more content…
For example, some people in the group may have accidentally killed some of the yeasts because in the Bag that had cornstarch, it didn’t inflate like it was supposed to. It should have blown up with air like the bag with sugar in it. Istead, it inflated, but not as much as it was supposed to. Another example of mistakes could be how some people put more or less yeast in than we were supposed to. It could be found that in some bags there was more yeast, causing it to inflate more, but it could also be found the opposite. There wasn’t enough yeast so therefore, didn’t inflate as much as it should have. Another mistake could be that some people could have not gotten all of the air out causing a false reading of the height of the bubble in the experiment. For further study, you could have different objects in the bags with the yeast to show the difference of carbon dioxide. You could also use a certain measuring cup to make the amount of yeast exactly the same, not bigger or smaller. You also could have done all of the different bags at the exact same time and not all at close, but still different times. You could have everyone do everything at the exact same time to create a more accurate reading of carbon