Worm feces is gold to gardeners and farmers. Earthworms have a special enzyme that allows them to break down the cellulose found in plant materials. An episode of a longer science playlist explores this process, which creates the nitrogen-rich material good for growing. 

Concepts

carnivores, herbivores, earthworms, digestion, enzymes

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Additional Tags

science

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Instructional Ideas

• Flip your classroom and assign the video as homework; use class time for discussion and to answer questions
• Create a worm farm and analyze the dirt before and after exposure to the worms

Classroom Considerations

• Requires a basic understanding of chemical reactions

• This video is hosted on YouTube

Pros

• Includes an option for closed captioning to aid in note taking
• Provides links to additional videos on the same topic

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.7 RST.11-12.7