1. Is yeast alive? (lab)
2. Collect LS 5.7
Is Yeast Alive?
1. Humans use yeast every day. What is yeast, and what are some common uses of yeast?
2. You can buy yeast to make bread in the grocery store. This yeast consists of little brown grains. Do you think that these little brown grains of yeast are alive? Why or why not?
3. To find out whether yeast is alive, we first need to think about what makes something alive. What are some characteristics of living organisms?