Bacteria
The Unseen World
Sam McCarrell
- Grade:
- 5
- Teacher:
- Paola Villarreal
When I test different areas in the school, will the high traffic areas have more bacteria?
When I test different areas in the school, will the high traffic areas have more bacteria?
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Very good experimental design to solve an interesting problem! It is important to clean everywhere to stop the spread of germs! Good job