I. INTRODUCTION
Did you know that yeast is the only substance that is asleep until you mix it with something in order to activate it? Well, many people may say, “No.” Well if we thought about it, what activates bread to rise? From experience as a young family baker, when yeast is added to the bread, you need to mix warm water and sugar. These ingredients once mixed together, create a reaction with each other because sugar is the key that helps expel the carbon dioxide that's needed. The purpose of this lab was to discover, “What other dry substances could we mix with yeast in order for a balloon to inflate?” In order to do this we decided to use yeast and vinegar, and mixed it with baking soda, alka-seltzer, and mentos. Our hypothesis was that …show more content…
Ruler
Before receiving any materials, we had to decide which items were going to be our dependent, independent, and constant variables.
Independent Variables: Baking Soda, Alka-Seltzer, and Mentos
Dependent Variable: How much the balloon inflates / Ability to actually inflate
Controlled Variables: vinegar, yeast, ballons, same container, same measuring tape, and same measuring spoons.
Once receiving our materials, we automatically divided the amount of baking soda, mentos, alka-seltzer, and vinegar that was given to us into 3 equal section; since we needed to do 3 trials for each of the 3 variables that we had chosen. Then, we divided the yeast into 9 sections. We end up calculating that for each trial we had to use 8.1 ml of yeast, 25 ml of baking soda, 4.8 teaspoons of vinegar, 4 mentos, and 2 alka-seltzers because each pack came with 2.
First Variable: We first started off by inserting a funnel into one of the balloons’ hole and pouring in 8.1 ml of yeast and 25 ml of baking soda with the 1 teaspoon measuring spoon. With the other funnel, we placed it onto the top of a glass bottle and poured in 4.8 teaspoons of vinegar, using the 1 teaspoon measurement. After, we removed both funnel, got the balloon and inserted its hole to the top of the bottle securely and let the substances fall into the …show more content…
Our data did support our hypothesis, however towards the third trial baking soda seemed to out take it by 1.4 inches in height and 2.1 inches in width more. I think this might of happened towards the end because of something that we maybe had put too much or too little in the material section. As shown in the graph above, the highest measurement in height was 7 inches and 12.5 inches regarding width likewise. The uncertainty values in height were: baking soda = .5”, alka-seltzer = 1.25”, and mentos = 0”. Now for the uncertainty values in width, they were: baking soda = 4.5”, alka-seltzer = 4”, and mentos = 1”.
In this experiment we learned that both alka-seltzer and baking soda produced the most gas between mentos. However, alka-seltzer won over both dry substances. We also learned shaking the bottle helped produce a bit more of a reaction towards the experiment This was noted from the data that was collected. Another thing that we learned was that mentos doesn’t have any type of reaction with yeast and vinegar because the balloon wouldn’t inflate from all 3
Did you know that yeast is the only substance that is asleep until you mix it with something in order to activate it? Well, many people may say, “No.” Well if we thought about it, what activates bread to rise? From experience as a young family baker, when yeast is added to the bread, you need to mix warm water and sugar. These ingredients once mixed together, create a reaction with each other because sugar is the key that helps expel the carbon dioxide that's needed. The purpose of this lab was to discover, “What other dry substances could we mix with yeast in order for a balloon to inflate?” In order to do this we decided to use yeast and vinegar, and mixed it with baking soda, alka-seltzer, and mentos. Our hypothesis was that …show more content…
Ruler
Before receiving any materials, we had to decide which items were going to be our dependent, independent, and constant variables.
Independent Variables: Baking Soda, Alka-Seltzer, and Mentos
Dependent Variable: How much the balloon inflates / Ability to actually inflate
Controlled Variables: vinegar, yeast, ballons, same container, same measuring tape, and same measuring spoons.
Once receiving our materials, we automatically divided the amount of baking soda, mentos, alka-seltzer, and vinegar that was given to us into 3 equal section; since we needed to do 3 trials for each of the 3 variables that we had chosen. Then, we divided the yeast into 9 sections. We end up calculating that for each trial we had to use 8.1 ml of yeast, 25 ml of baking soda, 4.8 teaspoons of vinegar, 4 mentos, and 2 alka-seltzers because each pack came with 2.
First Variable: We first started off by inserting a funnel into one of the balloons’ hole and pouring in 8.1 ml of yeast and 25 ml of baking soda with the 1 teaspoon measuring spoon. With the other funnel, we placed it onto the top of a glass bottle and poured in 4.8 teaspoons of vinegar, using the 1 teaspoon measurement. After, we removed both funnel, got the balloon and inserted its hole to the top of the bottle securely and let the substances fall into the …show more content…
Our data did support our hypothesis, however towards the third trial baking soda seemed to out take it by 1.4 inches in height and 2.1 inches in width more. I think this might of happened towards the end because of something that we maybe had put too much or too little in the material section. As shown in the graph above, the highest measurement in height was 7 inches and 12.5 inches regarding width likewise. The uncertainty values in height were: baking soda = .5”, alka-seltzer = 1.25”, and mentos = 0”. Now for the uncertainty values in width, they were: baking soda = 4.5”, alka-seltzer = 4”, and mentos = 1”.
In this experiment we learned that both alka-seltzer and baking soda produced the most gas between mentos. However, alka-seltzer won over both dry substances. We also learned shaking the bottle helped produce a bit more of a reaction towards the experiment This was noted from the data that was collected. Another thing that we learned was that mentos doesn’t have any type of reaction with yeast and vinegar because the balloon wouldn’t inflate from all 3