3.26 Keeping It Clean
This is a large-group lesson (“Keeping It Clean,” Lesson 3.26) from the National FFA Grow Your PALS Program Guide, in the Miscellaneous unit. It teaches students about germs, proper hand-washing techniques, and microorganisms through hands-on activities including a paint-on-hands washing demonstration and a bread/tortilla mold-growth experiment.
At a glance
- Learning objectives
-
- Cite examples of effective hand-washing strategies.
- Define the word microorganism.
- Show microorganism growth to an available food supply.
- Time required
- Instruction time for this lesson: 50 minutes.
- Materials
-
- Spray bottle with water – one
- Apron or old clothes for all students
- Timer – one
- Sink – one
- Blindfold – one
- Tube of washable paint per group – one
- Towels – Enough for each group
- Soap to wash hands with
- Bread – two pieces per group
- Tortillas – two per group
- Marker – one per group
- Bottle of water – one per group
- Plastic bags – three per group
- Paper – one piece per group
- Precepts
- E. Awareness. E1. Address issues important to the community; G. Physical Growth G2. Respect one's body
- Key Terms
- Microorganism
- Lesson Type
- Large Group
- Unit
- Miscellaneous
Downloads & Links
Aligned Standards
National Standards
- NL-ENG.K-12.12Applying Language Skills
- NS.K-4.3Life Science