1. Teaching strategies for exploring issues in STSE contexts Teaching strategies for exploring issues in STSE contexts

2. What is the issue? What is the issue? Why does this issue arise? Why does this issue arise? What are the different views? What are the different views? How to make informed judgements or decisions? How to make informed judgements or decisions?

3.  What is the issue?  Why does this issue arise?  What are the different views?  How to make informed judgements or decisions? Issue-enquiry approach How to search & analyse relevant information? Is the information a fact or an opinion? How strong is the evidence?

4.  What is the issue?  Why does this issue arise?  What are the different views?  How to make informed judgements or decisions? Issue-enquiry approach What are the values / attitudes?

5.  What is the issue?  Why does this issue arise?  What are the different views?  How to make informed judgements or decisions? Issue-enquiry approach Any consensus? How to resolve the conflicts? Who makes the decision?

6. Scientific knowledge? Information search Analysis & discussion Understand the issue Identify the issue 全球暖化

7. The greenhouse effect Practical activities

8.  years Carbon dioxide emission (thousand millions of tonnes per year) 20 10 18601870188018901900191019201930194019501960197019801990  years 1860 1870188018901900191019201930194019501960197019801990 15.4 15.0 14.6 Temperature of Earth's atmosphere (  C) How to analyse the information?

9.  years Carbon dioxide emission (thousand millions of tonnes per year) 20 10 18601870188018901900191019201930194019501960197019801990  years 1860 1870188018901900191019201930194019501960197019801990 15.4 15.0 14.6 Temperature of Earth's atmosphere (  C) Evidence for global warming? Evidence against global warming?

10.  years Carbon dioxide emission (thousand millions of tonnes per year) 20 10 18601870188018901900191019201930194019501960197019801990  years 1860 1870188018901900191019201930194019501960197019801990 15.4 15.0 14.6 Temperature of Earth's atmosphere (  C) Further information?

11. People at stake ViewsAttitude / standpoint Values Scientists Global warming – abnormal weather, loss of land, extinction of organisms Reduce use of fossil fuels; exploit renewable energy sources Balance of ecosystem (environmental) Scientists (alternative view) Crops grow better No sufficient evidence to support global warming Power station Cheaper electricity with coal Other ways – not cost effective profit (economic) Agriculture Furniture manufacturer Green groups, citizens, Councillors, government officials Environmental; ethical Economic Political

12. People at stake ViewsAttitude / standpoint Values Scientists Global warming – abnormal weather, loss of land, extinction of organisms Reduce use of fossil fuels; exploit renewable energy sources Balance of ecosystem Scientists (alternative view) Crops grow better No sufficient evidence to support global warming Power station Cheaper electricity with coal Other ways – not cost effective profit Agriculture Furniture manufacturer Green groups, citizens, Councillors, government officials Environ. Economic Political 多角度思考 ( 跨科目 ) 培養正面的價值觀和積極的態度 作出有理據支持的判斷、決定 多角度思考 ( 跨科目 ) 培養正面的價值觀和積極的態度 作出有理據支持的判斷、決定

13. Development Compass Effects on the environment/ecology /weather? Solutions? How to consult? How to balance the interests of different groups? How to reach a consensus? Who makes the decision? The cost? Economic development? Quality of life? Views of different parties of community? Social problems? How to cope with global warming? Natural Who decides? Economic Social

14. Acid rain Air pollution Disposal of solid wastes? Building incinerators? Tax on plastic bags? Policy to reduce waste production? Ozone depletion Renewable energy How to ensure sustainable development?

15. Development Compass 酸雨問題 Natural Who decides? Economic Social 空氣污染焚化爐膠袋稅 落馬洲支線 塱原濕地與 可持續發展 塱原濕地與 可持續發展

16. Development Compass How is the bypass changing the environment? Who decided to build the bypass? What influenced them? Were the residents consulted? Who is paying for the bypass? How will it affect the interest of the residents? Who will benefit from the bypass? Who will be disadvantaged by it? Building a bypass across Long Valley Natural Who decides? Economic Social How could it landscaped?

17. Activities based on Texts or Videos e.g. understanding & discussion guided by questions - Particularly useful for issues related to biotechnology, health & diseases. e.g. issues on test-tube babies

18. Role play/debate Role play/debate – for controversial issues GM food – consumers and labelling? e.g. 城市論壇 GM organisms Vaccination – pros and cons Application of DNA technology, Human Genome Project Patients – Rights & responsibilities Drug testing using humans & animals

20. Man cleared by DNA tests was freed after 17 years in prison Lonnie Erby was convicted of raping three girls in 1985. He was sentenced to 115 years in prison. After Erby had served 17 years in prison, a DNA fingerprinting analysis of preserved semen taken from the victims was performed …. Judge Jimmie Edwards said to Erby, “I’m sorry for your wrongful conviction. As you know, the science of today is not the science of yesterday.”