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This Skin Shield - Explore the Body’s First Line of Defense Against Pathogens activity also includes:
- Video
- Lab & Experiment
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Make pathogens and the body's defense systems come alive for young biologists in a hands-on activity. Investigators model the skin's protection against infection by observing and comparing changes in a punctured tomato and an intact tomato. The lesson provides an opportunity for class members to engage in a post-activity group discussion.
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Concepts
Instructional Ideas
- Ask participants to write a hypothesis before testing
- Create a word splash with relevant vocabulary to help scholars connect concepts
Classroom Considerations
- Make allowances for pupils with food allergies
- Gather materials and prepare the learning space ahead of time
Pros
- Adaptable for remote learners
- Includes opportunities to extend learning