1.what does the yeast represent?
2.what is the purpose of sugar?
3.why did we use lukewark water?
4.what did you notice of the sugar solution when you drop the yeast?
5.what happened to the balloon after attaching it to mouth of the bottle?
6.what gas filled up the balloon?explain your observation.
2.what is the purpose of sugar?
3.why did we use lukewark water?
4.what did you notice of the sugar solution when you drop the yeast?
5.what happened to the balloon after attaching it to mouth of the bottle?
6.what gas filled up the balloon?explain your observation.
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1. The yeast represents a single- celled fungus that converts glucose and oxygen into carbon dioxide and ATP.
2. The purpose of the sugar is to supply energy to the yeast.
3. The used of lukewarm water is to reactivate or wake up the yeast.
4. There is a formation of bubbles in the sugar solution. Which means that the yeast fed on the sugar.
5, The balloon inflates.
6. Carbon dioxide was the gas that filled up the balloon. It was produced when the yeast feeds on the sugar.