Yeast Experiment Quiz

What materials are required for the yeast experiment?

• Three empty water bottles, three balloons, water, yeast, sugar, a bowl, a spoon, and a funnel

• Two empty water bottles, two balloons, water, yeast, sugar, a bowl, a spoon, and a funnel

• Three empty water bottles, two balloons, water, yeast, sugar, a bowl, a spoon, and a funnel

• Three empty water bottles, three balloons, water, yeast, a bowl, a spoon, and a funnel

What is the difference in the setup between the first and second water bottles?

• The first uses more yeast than the second

• The first uses cold water, the second uses warm water

• The first uses warm water, the second uses cold water

• The first uses sugar, the second does not

What additional ingredient is added to the third water bottle?

• Vinegar

• Baking soda

• Sugar

• Salt

Why does the balloon on the bottle with warm water and sugar inflate the most?

• The yeast releases oxygen when it eats sugar

• The yeast releases carbon dioxide when it eats sugar

• The yeast releases nitrogen when it eats sugar

• The yeast releases hydrogen when it eats sugar

What process in bread-making is similar to the yeast experiment?

• The yeast releases hydrogen causing the dough to rise

• The yeast releases nitrogen causing the dough to rise

• The yeast releases carbon dioxide causing the dough to rise

• The yeast releases oxygen causing the dough to rise