Learning and Teaching of Science, Technology, and Society

Fong Wai Hung RaymondScience Education Section, EDB

8 Nov 2003 2

8 Nov 2003 3

Learning and Teaching of STS

• Possible approach 1:– Teacher -

•Search for information from books, magazines, CD-ROM, Internet, etc.

•Read, process and summarize•Present formally or tell a story

– Student -•Listen and ‘react’ occasionally•Ask questions and do a few tasks

8 Nov 2003 4

Learning and Teaching of STS

• Reflection on approach 1:– Teacher -

•Learn from how to search for information from books, CD-ROM, Internet, etc.

•Learn from reading information collected

– Student -•Develop knowledge and generic

skills?

8 Nov 2003 5

Learning and Teaching of STS

• Possible approach 2:– Student -

•Search for information from books, CD-ROM, Internet, etc.

•Read, process and summarize•Present formally or tell a story

– Teacher -•Listen and ‘react’ occasionally•Ask questions

8 Nov 2003 6

Learning and Teaching of STS

• Reflection on approach 2:– Student -

•Learn how to search for information from books, CD-ROM, Internet, etc.

•Learn from reading information collected

•Develop generic skills like communication, critical thinking

– Teacher -•Facilitate students’ learning

8 Nov 2003 7

Problem #1• How does a time-release medicine

work? (Time-release medications)– The formulation of timed-release

medicines is based on the specific response of polymeric coatings to their chemical environment. The chemical packaging of these medicines determines the precise conditions of effective control and sustained dosage of these drugs.

8 Nov 2003 8

Problems #2• What material is suitable for

making capsule for holding an oral-delivered acid sensitive medicine for treating colon inflammations?

8 Nov 2003 9

Reference

Karukstis, K.K. and Hecke, G. R.V. (2003). Chemistry Connections – The Chemical Basis of Everyday Phenomena.

Second Edition. Academic Press: San Diego.

ISBN: 0-12-400151-3URL: www.academicpress.com

8 Nov 2003 10

Problems #3• Describe the chemistry of a swimmi

ng pool.• Reference:

– http://www.howstuffworks.com/ or– http://home.howstuffworks.com/swim

ming-pool.htm/printable

8 Nov 2003 11

Problems #4• Describe how chlorine saves

lives.• Reference: • Chlorine Knowledge Center:

http://www.c3.org/chlorine_knowledge_center/

Thank You!

Please complete the evaluation questionnaire.