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SIJIL TINGGI PERSEKOLAHAN MALAYSIA (STPM) (MALAYSIA HIGHER SCHOOL CERTIFICATE)

Teachers Manual Practical Chemistry Paper 962/3 (School-based Assessment)2007/2008 Session

Majlis Peperiksaan MalaysiaBangunan MPM, Persiaran 1 Bandar Baru Selayang 68100 BATU CAVES Selangor Tel: 03-61369663 Fax: 03-61367329

Majlis Peperiksaan Malaysia 2007

CONTENTS Page 1.0 2.0 3.0 4.0 5.0 6.0 Introduction Administration of Practical Chemistry Assessment at School Moderation Practical Work Assessment Guide Table of Summary of Experiments Preparation of Solutions for Volumetric Analysis Experiment 1 Experiment 2 Experiment 3 Experiment 4 Experiment 5 Experiment 6 Experiment 7 Experiment 8 Experiment 9 Experiment 10 Experiment 11 Experiment 12 Experiment 13 Experiment 14 Experiment 15 Experiment 16 Experiment 17 Experiment 18 Experiment 19 Experiment 20 Appendix A - Student Record Appendix B - Experiment Report 1 1 4 5 9 12 15 17 20 23 26 28 31 34 37 40 42 45 49 51 54 57 60 63 66 69 72 73

STPM CHEMISTRY

TEACHER'S MANUAL 2007/2008

SCHOOL-BASED ASSESSMENT OF PRACTICAL CHEMISTRY1.0 Introduction 1.1 Some of the skills that should be developed in science subjects (e.g. handling of apparatus, observation, interpretation of results, and planning) can only be fully acquired through practical work. Continuous assessment of practical work at school throughout form six will ensure that direct observations of all the desired practical skills and scientific attitudes of students can be made. The practical science assessment is carried out at school level with the following aims. (a) (b) (c) To establish a practical work assessment system which is fair, accurate, and comprehensive To improve the practical skills and the quality of practical work of students To inculcate teamwork spirit, scientific attitudes, and critical thinking among students

1.2

1.3

2.0

Administration of Practical Chemistry Assessment at School 2.1 General information 2.1.1 The teacher in charge of the school-based assessment of Practical Chemistry will be provided with a Teachers Manual which contains the details of the administration of Practical Chemistry assessment, practical work assessment guide, and description of experiments.

2.1.2 Majlis Peperiksaan Malaysia (MPM) will provide a softcopy of Students Manual. The school is expected to make copies of the manual to be given to each student. 2.1.3 MPM has determined 20 experiments to be carried out by students. Of these 20 experiments, only 15 compulsory experiments will be assessed by the teacher. (Refer to the Table of Summary of Experiments on pages 9, 10 and 11.) This assessment is expected to commence in early July 2007. The teacher is expected to prepare the experiments according to this manual. MPM should be informed of any modifications made by the teacher by using the Experiment Report form (See Appendix B on page 73). This form is to be printed from the separate file: Record and Report (Forms). Experiments are to be carried out by students either individually or in groups as recommended in the Table of Summary of Experiments. The period of time for carrying out each experiment is as recommended in the Table of Summary of Experiments.1

2.1.4

2.1.5

2.1.6

STPM CHEMISTRY

TEACHER'S MANUAL 2007/2008

2.1.7

The information on each experiment should be given to students before the experiment is carried out so that they can plan their practical work. The teacher should ensure that a student has been given a chance to acquire a particular skill before the assessment of that skill is made. For this purpose, the teacher may conduct another experiment before carrying out a compulsory experiment. The assessment of practical work should be done by the teacher while an experiment is being carried out and also based on the students practical work report.

2.1.8

2.1.9

2.1.10 For a student who is absent from an experiment, the teacher can fix another date for the student to carry out the experiment. 2.1.11 Students may write their practical work report in either English or Bahasa Malaysia. The report is to be submitted to the teacher on the same day the experiment is carried out unless otherwise stated. (Refer to the Table of Summary of Experiments.) Practical work reports which are not submitted on the day of the experiment are to be awarded 0 mark. 2.1.12 Practical work reports which can be completed at home are to be submitted to the teacher not later than 3 days from the date of the experiment. A penalty of 2 marks is to be imposed for the reports submitted late to the teacher. Practical work reports which are submitted later than 7 days from the date of the experiment are to be awarded 0 mark. 2.1.13 For a student who has transferred to another school, the previous school is to send the students Student Record, which is partially completed and signed by the subject teacher, to the students new school. 2.1.14 Practical work reports which have been submitted to the teacher can be returned to students only after the teacher has completed assessing the reports and recording the marks of all students. The teacher should collect all the practical work reports before 15 October 2007 for the first year of the course and before 15 September 2008 for the second year. 2.1.15 A student whose Student Record has not been sent by the school to MPM will be considered as not having carried out the practical work and not having attended paper 962/3. 2.2 Recording of assessment marks 2.2.1 Recording of the practical assessment marks of each student is to be done by the subject teacher in two copies of Student Record. (See Appendix A on page 72.) Copies of this form are to be made from the softcopy provided in the separate file: Record and Report (Forms).

2

STPM CHEMISTRY

TEACHER'S MANUAL 2007/2008

2.2.2

For each student, the teacher is to record the date of the experiment, the experiment number, and mark given to each of the skills for the 15 compulsory experiments in the Student Record. Marks are to be awarded in accordance with the practical work assessment guide on page 5, 6, 7, and 8. Notes on the following cases should be written in the Notes column on the Student Record of the student involved. (a) (b) (c) An experiment carried out at a later date for a student who was absent for the experiment Any penalty imposed for late submission of practical work report to the teacher A student who has not finished all the experiments allocated (The reason is to be stated.)

2.2.3

2.2.4

Practical assessment for the two-year course should be completed before 30 August 2008. Once the practical assessment for the two-year course is completed, the overall total mark for the 15 compulsory experiments is to be calculated and written in the Overall total mark space on the Student Record. The full total mark for this practical assessment is 300. The teacher may ask his or her students to check their Student Record to ensure that the mark for each experiment and the overall total mark awarded are correct. The subject teachers carrying out the practical assessment are required to make a declaration that the recording of marks and the calculating of overall total mark in the Student Report are correct by putting their signatures in the space provided under DECLARATION 1. The school principal should check and verify that the recording of marks and the calculation of overall total mark in the Student Record are correct by putting his/her signature in the space provided under DECLARATION 2. A copy of the completed Student Record of each student is to be sent together with the experiment reports to MPM before 15 October 2008. The teacher should state the following in the covering letter. (a) (b) The total number of the Student Record for this subject being sent to MPM The names of students, if any, who have no Student Record to be submitted to MPM the reason is to be stated. (This student will get X grade for this paper. See 2.1.15.)

2.2.5

2.2.6

2.2.7

2.2.8

2.2.9

2.2.10 A copy of the Student Record of each student is to be kept by the school until the end of May 2009. (See 3.2.4.)3

STPM CHEMISTRY

TEACHER'S MANUAL 2007/2008

3.0

Moderation The main purpose of moderation is to ensure that the practical assessment carried out at school can be coordinated. 3.1 Moderation at school 3.1.1 If more than one teacher is involved in the students practical work assessment for this subject, the teachers will have to come up with an agreed standardised marking scheme. For the purpose of moderation at school, the teachers concerned are required to compare the samples of students practical work reports for each experiment assessed by them. The moderation panel at school should consist of teachers carrying out the practical work assessment for this subject. The moderation panel should be chaired by the most senior teacher for this subject.

3.1.2

3.1.3

3.1.4

3.2

Interschool moderation 3.2.1 For the purpose of interschool moderation by MPM, schools are required to submit all the assessed practical work reports of a student getting the highest overall total mark, a student getting moderate overall total mark, and a student getting the lowest overall total mark to MPM. The moderation process may be carried out statistically by correlating the students performance in practical work to their performance in other papers and/or through the remarking of samples of students practical work reports by MPM moderators. In the remarking, changes to the order of positions of students which have been decided by the teacher will only be done in extraordinary cases. If necessary, the school may be asked to submit the samples of practical work repo

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