WONDER #1202: Why Does Dough Puff Up When You Bake It?

Question 1 of 3

Yeast cells are a type of what?

1. animal
2. mineral
3. vitamin
4. fungus

Question 2 of 3

Which of the following is NOT a type of sugar that yeast might feed upon?

1. sucrose
2. fructose
3. masa
4. glucose

Question 3 of 3

Yeast feed upon sugars, creating carbon dioxide gas and ethyl alcohol in a process called what?

1. rising
2. fermentation
3. melting
4. fungi

Check your answers online at https://www.wonderopolis.org/wonder/why-does-dough-puff-up-when-you-bake-it.