dbs pre-ib / ib group 4 project - evaluation presentation (presenter version)
DESCRIPTION
DBS Pre-IB / IB Group 4 Project - Evaluation Presentation (Presenter Version - no words!)TRANSCRIPT
Comparison of brands of sanitary towels
Diocesan Boys’ School Group 4 Project Fergus Chan, Dexter Cheung, Felex Lau, Geoffrey Fung
1Objectives
Penetrability of water
Penetrability of water Absorption of water
Penetrability of water Absorption of water Tolerance for mass
Penetrability of water Absorption of water Tolerance for mass Tolerance for pH
2Methods
Penetrability of water - Chromatography
Absorption of water
Tolerance for mass
Tolerance for pH
3Results
Penetrability of water – “Whisper”
Absorption of water – “Lauríer”
Tolerance for mass – “Lauríer”
Tolerance of pH – “Watsons”
4Strengths
5Weaknesses
6Improvements
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/