Kitchen Science for Kids: Sourdough Starter


| 9/12/2018 9:33:00 AM


While I wholeheartedly believe kids need to play outside in nature, they can also learn about entire ecosystems right in their kitchens, using only basic ingredients. This lesson covers sourdough starter. If you and your student want to later bake bread, you can find the recipe here.

sourdough starter jar
Mature sourdough starter. Photo by Anne Marie Bonneau. 

Vocabulary

Bacterium (plural bacteria): Microscopic, single-celled organism that lives in soil and water and on plants, animals and other matter. Its purpose in life is to reproduce.

Ecosystem: All the living things in a given area. All things that live in an ecosystem are dependent on one another.

Microbes: Tiny living things that can be seen only through a microscope, such as bacteria and yeast.



Symbiosis: A mutually beneficial and dependent relationship between two groups.