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HKALE Chemistry TAS Teacher Conference 2008 27 September 2008.
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Transcript of HKALE Chemistry TAS Teacher Conference 2008 27 September 2008.
Operating Expenses Block Grant(Aided School)
Subject & Curriculum Block Grant(Government School)
TAS Grant AL Chemistry: TAS Grant AL Chemistry: HK$2,571 HK$2,571 HK$2,728 HK$2,728TAS Grant ASL TAS Grant ASL
Chemistry: Chemistry: HK$1,679 HK$1,679 HK$1,781 HK$1,781
Some useful URLs:
Science Education Section, EDB:Science Education Section, EDB: www.edb.gov.hk/cd/sc/ www.edb.gov.hk/cd/sc/
TAS Corner TAS Corner http://resources.edb.gov.hk/cd/science/chemistry/http://resources.edb.gov.hk/cd/science/chemistry/
TAS_corner.htmlTAS_corner.html
Hong Kong Examinations and Hong Kong Examinations and
Assessment Authority: Assessment Authority:
www.hkeaa.edu.hk www.hkeaa.edu.hk SBA SBA Subject Info Subject Info HKALE HKALE
Chemistry (A/AS)Chemistry (A/AS)
Experimental Techniques in Chemistry
Flame Test Use of Quickfit
Apparatus Acid-based
Titration Extraction of
Active Ingredientshttp://cd1.edb.hkedcity.net/cd/science/chemistry/TAS/etc.htm
Essential Techniques in Chemistry Laboratories
Department of Chemistry, CUHK http://www.chem.cuhk.edu.hk/lab_technique.asphttp://www.chem.cuhk.edu.hk/lab_technique.asp
Laboratory Safety Basic Laboratory Techniques Chromatographic Techniques Quantitative Analysis Spectroscopic Analytical Techniques Handling of Air Sensitive Compounds Miscellaneous Instrumental Techniques
Resource Book for Sixth-form Practical Chemistry Co-produced by Co-produced by
The Chinese University of Hong KongThe Chinese University of Hong Kong Education and Manpower BureauEducation and Manpower Bureau Hong Kong Examinations and Hong Kong Examinations and
Assessment AuthorityAssessment Authority
Sep 04
Resource Book for Sixth-form Practical Chemistry http://www.chem.cuhk.edu.hk/ssc.htmhttp://www.chem.cuhk.edu.hk/ssc.htm
Features
Twelve new experiments developed locally for learning and teaching of secondary school chemistry
Selected experiments can be carried out using an inquiry-based approach; others can be carried out using traditional approach
Support features Comprehensive
background information
Teacher Notes Suggested Solutions to
Questions, for teachers’ reference only
Student Handout, with digital photos support on the Internet
A sample laboratory report
Exemplar of Learning and Teaching Activities for Sixth-form Chemistry Curriculum
Nov 2005
http://cd1.edb.hkedcity.net/cd/science/chemistry/LTA.html
Exemplars
A collection of learning and A collection of learning and teaching activities liketeaching activities like
1.1. Datalogging experimentsDatalogging experiments
2.2. Microscale chemistry Microscale chemistry experiments experiments
3.3. Inquiry-based chemistry Inquiry-based chemistry experimentsexperiments
4.4. … … … … ......
1. Datalogging experiments Determination of the heat of Determination of the heat of
combustion of alcoholscombustion of alcohols Kinetics of iodination of Kinetics of iodination of
propanone by colorimetrypropanone by colorimetry Choice of indicators in acid-Choice of indicators in acid-
base titrationsbase titrations Acid-base titration curves – Acid-base titration curves –
double indicatorsdouble indicators
2. Microscale chemistry experiments Investigation of the overall order of Investigation of the overall order of
reaction between Hreaction between H22OO22 and iodide in and iodide in acidic mediumacidic medium
Concentration effect and reaction rateConcentration effect and reaction rate Determination of KDetermination of KSPSP of Ca(OH) of Ca(OH)22
Determination of KDetermination of KSPSP of copper(II) of copper(II) iodateiodate
Investigating the effect of changes in Investigating the effect of changes in ionic concentration on the e.m.f. of a ionic concentration on the e.m.f. of a cellcell
3. Inquiry-based chemistry experiments
Oxygen absorberOxygen absorber Determination of vitamin C in Determination of vitamin C in
processed fruit drinksprocessed fruit drinks
4. Other Learning Activities
Determination of the relative Determination of the relative molecular mass of butane molecular mass of butane
Determination of hardness of Determination of hardness of water by EDTA titrationwater by EDTA titration
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Training courses on practical chemistry Enhancing Learning & Teaching Enhancing Learning & Teaching
of Chemistry (July 2006)of Chemistry (July 2006) Experiments on Experiments on
Contemporary Chemistry Contemporary Chemistry TopicsTopics
Inquiry-based ExperimentsInquiry-based Experimentshttp://cd1.edb.hkedcity.net/cd/science/chemistry/nss/nss_e.html
Solventless Aldol Reaction, Preparation and Optical Properties of CdSe Nanocrystals, Chemical Analysis of Gancao Raw Herbs and Commercial Products (PolyU)Extraction of Caffeine from Tea Leaves and Coffee, Extraction of Limonene from Citrus Fruit Peels, Quantitative Colorimetric Analysis of Phosphate Content in Water, Analysis of Vitamin C in Fruits and Food Products (CUHK)
21
Implementing Microscale Chemistry Experiments 10 experiments including:10 experiments including:
Determination of the Molar Determination of the Molar Mass of GasMass of Gas
Chemical Equilibrium: Chemical Equilibrium: Formation of Fe(SCN)Formation of Fe(SCN)2+2+ from from FeFe3+3+ and SCN and SCN--
Chemical cellsChemical cells ……http://www.hkbu.edu.hk/~micschem/
Jun 2008
22
Miniature Practical Chemistry
Synthesis of the Synthesis of the Fragrance of BananaFragrance of Banana
Isolation of Isolation of Chlorophyll from Chlorophyll from SpinachSpinach
Catalytic Catalytic Hydrogenation of Hydrogenation of Methyl OleateMethyl Oleate
Aug 2008
Experiment details available on request.
23
Microscale Quickfit Apparatus #1 Joints: 14/10Joints: 14/10 Reflux Set-up: Reflux Set-up:
Al Heating Block
Sand Bath
A Ball Pen
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Microscale Quickfit Apparatus #2 Simple Simple
distillation distillation set-upset-up
Receiver Adaptor
Water condenser
Thermometer
Some Useful Websites #1 David W. Brooks’ web site with David W. Brooks’ web site with
reference materials for Chemistry reference materials for Chemistry TeachersTeachers
URL: http://dwb.unl.edu/URL: http://dwb.unl.edu/
Some Useful Websites #1a {{Doing ChemistryDoing Chemistry} – contains 119 chemistry } – contains 119 chemistry
experiments experiments {{LABSLABS (Laboratory Assessment Builds Success)} (Laboratory Assessment Builds Success)}
– contains 18 chemistry experiments– contains 18 chemistry experiments {{MicroScaleMicroScale} – contains 43 microscale } – contains 43 microscale
chemistry experimentschemistry experiments{{SmallScaleSmallScale} – contains 80 chemistry } – contains 80 chemistry experimentsexperiments
{{BeckerDemosBeckerDemos} – contains 60 chemistry } – contains 60 chemistry demonstrationsdemonstrations
{{SourceBookSourceBook} – contains 40 pdf files on } – contains 40 pdf files on different topics with practical worksdifferent topics with practical works
Some Useful Websites #2
RE:ACT (Nuffield RE:ACT (Nuffield Advanced Chemistry)Advanced Chemistry)
URL: URL: http://www.chemistry-http://www.chemistry-react.org/react.org/
Some Useful Websites #3
Practical Chemistry Practical Chemistry websitewebsite
URL: URL: http://www.practicalchehttp://www.practicalchemistry.org/mistry.org/
Some Useful Websites #4
Tutorial on the Use of Tutorial on the Use of Significant FiguresSignificant Figures
URL: URL: http://www.chem.sc.edu/faculthttp://www.chem.sc.edu/faculty/morgan/resources/sigfigs/y/morgan/resources/sigfigs/
Some Useful Websites #5
Experimental error Experimental error URL: URL:
http://www.rod.beavon.chttp://www.rod.beavon.clara.net/err_exp.htmlara.net/err_exp.htm
35
More useful websites:
http://cd1.edb.hkedcity.net/http://cd1.edb.hkedcity.net/cd/science/chemistry/TAS/cd/science/chemistry/TAS/WEBSITES.HTMWEBSITES.HTM
Reference Book #1Reference Book #1
Inquiry-Based Inquiry-Based Experiments in Experiments in ChemistryChemistry
Oxford Oxford University Press University Press (2000)(2000)
Reference Book #2Reference Book #2
Classic Chemistry Classic Chemistry Experiments:Experiments: One Hundred Tried and One Hundred Tried and
Tested ExperimentsTested Experiments
Royal Society of Royal Society of Chemistry (2000)Chemistry (2000)
Reference Book #3Reference Book #3
Microscale Microscale Chemistry Chemistry ExperimentsExperiments Experiments in MiniatureExperiments in Miniature
Royal Society of Royal Society of Chemistry (1997)Chemistry (1997)
39
Teacher Assessment Scheme (TAS) in Chemistry
24 October 2008 (pm)24 October 2008 (pm)Course ID: Course ID:
CDI020081797CDI020081797N=40N=40
Contact Information Science Education Section, EDBScience Education Section, EDB Address: Room E232, East Block, Address: Room E232, East Block,
KTESC, 19 Suffolk Road, Kowloon.KTESC, 19 Suffolk Road, Kowloon. Telephone: 3698 3436Telephone: 3698 3436 Fax: 2194 0670Fax: 2194 0670 Email: [email protected]: [email protected] Web page: Web page:
http://www.edb.gov.hk/cd/schttp://www.edb.gov.hk/cd/sc