HKALE Chemistry TAS Teacher Conference 2008 27 September 2008.

HKALE Chemistry TAS Teacher Conference

2008

27 September 200827 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)

Resource Materials for AL/ASL Chemistry

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

Modern Chemical Techniques

2000

http://resources.edb.gov.hk/chemtech/

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

12

Password for access to chemistry resource materials

rbfsfpc12rbfsfpc12

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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

影片輔助介紹

Text

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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

24

Microscale Quickfit Apparatus #2 Simple Simple

distillation distillation set-upset-up

Receiver Adaptor

Water condenser

Thermometer

25

Thin Layer Chromatography

26

Microscale Column Chromatography

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

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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)

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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