Knowledge building in Chemistry

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Knowledge building in Chemistry

• K C Pun (punkc_at_mail.hongkong.com) SKH Tsang Shiu
  Tim Sec Sch

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Topics to cover

• Knowledge-based society
• Trends in education
• KF as a tool to build up knowledge
• Students reflections in using KF.

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Knowledge-based society

• Principals remarks
• Some Nots
• Not eternal
• Not limited by media
• Not limited by age

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Trends in education

• Learning to learn
• Mastering 9 generic skills
• Esp. (to 05-06)
• critical thinking skills
• Creativity
• Communication skills
• Learning
• first order -gt higher order

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Information to share (CUHK, 2002)
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A Joke? OR Reality!!!

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What do they infer?

• Lack of these generic skills

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Chemistry change

• Change in syllabus gt
• Change in learning/teaching strategy
• KF as a tool to facilitate the change in
  strategy
• Interactions between
• students, teachers and environment

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Knowledge construction using forum (D/K)

• Knowledge forum
• HKU CITE
• How
• Divide F.4 students into groups
• Give F.5 topics for F.4 students to discuss with
  guided questions

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KF in the school

• Topics and guided questions
• Air pollution
• Nitric acid
• Fertilizers
• Sulphuric acid
• Plastics
• Ammonia
• Petroleum

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Some good features of KF

• Can insert diagrams
• Can link up their concepts
• Build up their own concept map
• To change the culture of students
• Can even insert multimedia elements

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KF in practice
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KF in practice (Petroleum)
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KF in practice (Petroleum)
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KF in practice (Petroleum)
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KF in practice (Petroleum)
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KF in practice
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Reflection journal
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Look at what they write

• Reflection journal
• Second week in KF.
• I want to know what is the differences between
  organic fertilizers and inorganic fertilizers.
  And what are their advantages and disadvantages.
• I have posted a note about how to use fertilizers
  and a few notes about that role-play game. Also I
  reach my learning goal.
• Still got some problems with searching
  information. But I begin got the technique.
• I enjoy the role-play game.
• I am unhappy about my lazy

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What do they feel?

• Students
• Reflections
• Fun
• Learn from outside textbook
• More efficient
• Collaboration skills
• Brainstorming

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Without KF OK?

• Why not?
• KF is just a tool.
• May use discussion forum in the intranet of the
  school.

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Discussion forum / others

• May post the questions to the discussion forum
  and initiate their discussion
• May even ask them to do as paper work

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Role of teacher inDF/ KF

• As a facilitator
• Not to answer question immediately
• Not to correct their mistakes immediately
• As a catalyst

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What will the promoted F.4 students do this
year?

• Choose a Chemistry topic in Integrated Science OR
  any topic in Certificate syllabus
• Design 2 3 good questions
• Set up their own criteria for assessment of good
  questions
• Critics from members in the group and other
  groups
• Game / Presentation after summer holidays

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What topics in IS?

• The wonderful solvent water
• Matter as particles
• Common acids and alkalis
• Metals
• Materials of the Modern World
• Etc.

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Why F.1-3 topics?

• Students Revisit the topics for consolidating
  their concepts
• Teachers Know what have been taught in lower
  forms
• A continuation from junior secondary to senior
  secondary

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Why set questions?

• Students know more if they can set up good
  questions
• To have critiques among themselves
• Know the great effort of teachers gt may
  appreciate your effort in teaching

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Key to success

• We have to be proactive.
• BUT Before we act,
• Better have support from your panel etc.

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Final remarks

• KF is a tool. Others may apply.
• There are many useful resources in the CDIs
  web-site.
• Project-based learning
• http//www.4teachers.org/projectbased/checklist.sh
  tml

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• Thanks!!!

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9 generic skills

• Collaboration skills
  Communication skills
  Creativity
  
  Critical thinking skills
  Information technology skills
  Numeracy skills
  
  Problem solving skills
  Self-management
  skills
  Study skills
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