DBS Pre-IB / IB Group 4 Project - Evaluation Presentation (Presenter Version)
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The document summarizes a school project comparing different brands of sanitary towels. The project tested the towels' penetrability of water, absorption of water, tolerance for mass, and tolerance for pH. The results found that the "Whisper" brand had the best penetrability of water, "Laurier" had the best absorption of water and tolerance for mass, and "Watsons" had the best tolerance for pH. The document discusses the project's strengths, weaknesses, and opportunities for improvement.
DBS Pre-IB / IB Group 4 Project - Evaluation Presentation (Presenter Version)
- 1. Diocesan Boys’ School Group 4 Project Fergus Chan, Dexter Cheung, Felex Lau, Geoffrey Fung Comparison of brands of sanitary towels
- 2. Objectives
- 4. Penetrability of water Absorption of water
- 5. Penetrability of water Absorption of water Tolerance for mass
- 6. Penetrability of water Absorption of water Tolerance for mass Tolerance for pH
- 7. Methods
- 8. Penetrability of water - Chromatography
- 11. Tolerance for pH
- 12. R es ult s
- 13. Penetrability of water – “Whisper”
- 14. Absorption of water – “Lauríer”
- 15. Tolerance for mass – “Lauríer”
- 16. Tolerance of pH – “Watsons”
- 17. Stre ngt hs
- 18. Weaknesses
- 19. Im prov eme nts
- 20. All photos are used for educa0onal purposes. • h3p://www.flickr.com/photos/ 22642676@N05/2758303103/ • h3p://www.flickr.com/photos/wistechcolleges/ 7221617514/ • h3p://www.flickr.com/photos/ 40964293@N07/5850735835/ • h3p://www.flickr.com/photos/soitsdryna/ 4597661311/ • h3p://www.flickr.com/photos/schlinchen/ 5525973245/ • h3p://www.flickr.com/photos/wenburn/3213615979/