Suggested Learning and Teaching Activities
Learning Outcome: Students shall be able to
know how to identify the fingerprints;
collect the fingerprints; and
carry out the steps in analyzing and comparing fingerprints.
Pre-lesson Reading (Fingerprint Basics)Lesson Flow / Teacher Notes
(Activities Guides, Remarks, Explanation, Conclusion, etc.) / Teaching Resources
(5 min.) / Ask Ss what will be the first thing the police officers search for when they arrive at the scene of a robbery. [Engagement]
Encourage Ss to answer critically.
Emphasize that there are proper steps in analysing and comparing fingerprints. [Explanation] / PPT 2 (1-2)
Activity 2.1 Fingerprints basics (10 min.) / Ss finish WS 2.1 (Assess students’ understanding on fingerprint basics).
Review major concepts about fingerprint basics. [Explanation] / WS 2.1
PPT 2 (3-10)
Activity 2.2 Practice the identification skills (10 min.) / Ss examine the given fingerprint of WS 2.2 with magnifying glass. [Exploration]
Ss use Table 1 of WS 2.2 to help identify separate fingerprint ridgeline details.
Ss locate and label at least 8 positions of ridgeline details on the given fingerprint. [Exploration]
Check the answers. [Evaluation] / WS 2.2
PPT 2 (11-13)
Make a fingerprint
(35 min.) / Ss make a patent print. (Hint: Ss are encouraged to have a trial on a piece of paper before making a print on the worksheet.) [Exploration]
Ss make a latent print.
Ss calculate the population percentage of each pattern of the fingerprints among their group members.
Ss use Table 1 of WS 2.2 to help identify separate fingerprint ridgeline details of one of their fingerprints.
Ss list out the names of the ridgeline details they found on the fingerprint. [Elaboration]
Group discussions. / WS 2.3
PPT 2 (14-21)
fine iron powder
glass microscope slide
Try out the steps in analyzing and comparing fingerprints
(30 min.) / Discuss with Ss the steps in analysing and comparing fingerprints. [Explanation]
Ss finish the case study. [Evaluation]
Ss summarise and present their findings.
Ss discuss the follow-up questions. / WS 2.4
PPT 2 (22-35)
Remarks: Ss stands for “Students”.
- Saferstein R. (2009). Forensic Science: From the Crime Scene to the Crime Lab. New Jersey: Pearson Education, Inc.
- Rainis K.G. (2006). Fingerprints: Crime-Solving Science Experiments. NJ: Enslow publishers, Inc.
- Beres D.B. (2007). Dusted and Busted!: The Science of Fingerprinting. NY: Scholastic Inc.
- Houck M.M. (2007). Forensic Science: Modern Methods of Solving Crime. CA: Praeger Publishers.
- De Forest P.R., Gaensslen R.E. & Lee H.C. (1983). Forensic Science: An Introduction to Criminalistics. NY: McGraw Hill.