The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
4(2) News and Comment
Tenth Edinburgh Science Festival, More for technicians, Non-tabloid papers from POST, CV tips
5(3) Managing risk assessment
Strategies are suggested for the implementation of measures to control risks in science departments.
7(5) Animals in schools
Advice about the rights and wrongs of keeping animals in schools.
8(6) Mobile stands for videos and monitors
An accident history with some types of monitor stands and trolleys has been brought to our attention. We review the incidents and offer advice.
9(7) Dynamics experiments with a digital camera
Continuous motion can be monitored in the laboratory, or even outdoors, by capturing images with a digital camera and downloading the data in real-time to a PC for immediate analysis.
12(10) VideoPoint
Having captured a movie sequence with a camera, the video images can be analysed with the software package VideoPoint, which provides quantitative data on distance and time.
14(12) Measuring iron in water and soil
A simple colorimetric procedure using 1,1 0-phenanthroline is described. Measurements in the field may be practicable.
17(15) Teaching Chip boards
JJM Electronics have designed a set of printed circuit boards with 4 mm socket outlets for use with the Edinburgh University Teaching Chip set.
18(16) Light intensity experiments
The Edinburgh University Teaching Chips have a set of photodiodes. These are suitable for showing the inverse square law of intensity against distance and lead into other investigations on the effects of diode area.
22(20) PicoScope
With PicoScope you can turn your PC into a virtual instrument for capturing and analysing experimental data.
25(23) GS23 electrical safety guidance withdrawn
The Health and Safety Executive (HSE) withdrew Guidance Note GS23 Electrical safety in schools at the end of last year. We understand that they do not plan to replace it.
26(24) Reaction timer with the BASIC Stamp
BASIC Stamps are programmed in a simple version of the BASIC language, called PBASIC. A short program is described to illustrate features of PBASIC.
28(26) Young Persons Regulations
New regulations came into force last year to protect young persons at work.
29(27) Trade News
PASCO Atmospheric Pressure Demonstrator, Extra flexible test leads, Brass lampholders, Spillage trays, Suppliers merge, Heat experiments, Waugh Oscilloscope, Micromouse kit,
31(29) Resources
Education and industry, Science options file
32(30) Equipment Offers
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Tae a moose Anon. – efter Rabble Burns
4(2) Introduction
Screivins in the leid, Questionnaires – thanks! Equipment matters
5(3) News and Comment
New biotechnology initiative, Phrases for appraisers, Diary dates, No comment
6(4) Microorganisms for investigations in schools and colleges
Revised listings of suitable micro-organisms to use.
1(9) Harris System SM
Comprising of a large range of SensorMeters, portable datalogger and software, the system may be used for measurement, data capture and analysis. This review looks at the Temperature and Radioactive Count Rate sensors and how System SM performs within those contexts.
16(14) Analysing graphs
With many data capture systems, there is a mathematical modelling facility letting you fit a standard curve to a set of data. An example is discussed.
18(16) Antibody-antigen reaction
A protocol included as part of kit developed at the Scottish Antibody Production Unit (SAPU) is described. The procedure provides a useful illustrative students’ practical on the role of antigens in inducing antibody production and the nature of antibody/antigen reactions.
22(20) Laboratory power supply
The Irwin Central Power Source has been designed to supply a whole laboratory with a low voltage supply.
24(22) Laboratory power supplies : portable units versus single source
A look at the wider matter of replacing lots of small, portable, power supplies with a central laboratory source.
25(23) Micro-centrifuge applications
An evaluation of a pre-production prototype of an inexpensive micro-centrifuge developed through the Technology Enhancement Programme (TEP) is briefly reported. School based, biochemical applications are suggested
26(24) Digital multimeters
A report on inexpensive digital multimeters.
30(28) News & Comment
Teaching Chip publications, Technicians’ SVQ, NCBE mailing list, Bulletin 193 on CD, POST report – Genetically Modified Foods, Scion of SOLSN, Urea assay modification
31(29) Trade News
New autoclave model, Spore test strips.
32(30) Equipment Offers
Front cover Final year project by a BTechEd student at Moray House Institute of Education – model of automatic bottling plant.
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Christmas closure, Evaluation draw, Interactive HazMan is here, Reminder – ASE meeting, STOP PRESS – New SSERC Web Site
4(2) Comment
More beachcombings, More firsts, IT matters too
5(3) Accidents
Criteria for deciding when to report an injury under RIDDOR are explained in the following safety note.
7(5) Violence in education
The Health and Safety Executive (HSE) recently has published an updated version of its guidance on this subject
7(5) Oxy-fuel gas equipment
The British Compressed Gases Association (BCGA) have revised their Code of Practice
7(5) Fume cupboard advice revised
Design Note 29 has recently been extensively revised by the Architects and Buildings Branch of the Department for Education and Employment (DfEE) and re-issued as Building Bulletin 88
8(6) Nicholl Conductivity Bars
This new product comprises of a set of four similar bars of different metals with attached thermochromic strips for showing the conduction of heat.
10(8) Nicholl Radiant Heat Source
This is a newly designed radiant heater which operates off the mains. Our tests show that it is electrically safe. An ancillary kit of radiation absorption discs is also reported on.
12(10) Harris System SM: Part II:
Comprising of a large range of SensorMeters, portable datalogger and software, the system may be used for measurement, data capture and analysis. In Part I (Bulletin 194) were reviewed the Temperature and Radioactive Count Rate sensors as components of that overall system. This part of our review examines the conductivity and pH sensors and how System SM performs within those contexts.
17(15) Inexpensive pH measurement – the Turtle from Hanna
We review this fun and inexpensive but effective device.
18(16) Data capture and processing
The following examples illustrate the different methods of data capture and various aspects of processing the results using Datadisc Pro software.
18(16) PKa determination for ethanoic acid by half neutralisation method
20(18) Onsager plots for strong & weak acids
22(20) Rate law of hydrolysis of 2-bromo-2-methylpropane
22(20) Pupil Investigations for chemistry
24(22) Microcentrifuge applications, Hill reaction
A demonstration of the Hill reaction with isolated chloroplasts makes use of a prototype microcentrifuge designed for the educational market.
26(24) Thermal conductivity of gases experiments
There are few, simple experiments showing that air is a poor conductor of heat. Most effects are confused by convection and other factors. Here we report on four experiments that may be suitable in general science courses. Three of these are pupil experiments; the fourth is a demonstration.
27(25) Coke can pan experiment
28(26) PET bottle experiment
30(28) Gaede’s water vapour insulation experiment
32(30) Leidenfrost effect
33(31) Electrical safety:
DB2000 electrical service system, Griffin powerpack 300, Netzgerat, Accidents with Mac 4400s
34(32) Van de Graaff generator problems
We report on some issues with Griffin models and suggest a company that will repair them.
35(33) Safety Matters
Exposure to ultrasound, Carbon dioxide cylinder accident, lonising Radiations Regulations revision, HSE and SEPA guidance, More COSHH amendments.
37(35) Machinery safety, BS 5304 declared obsolete
Although BS 5304 will still be available, it no longer applies to today’s new machinery.
38(36) News & Resources
Scottish technicians’ group, Field Studies : New Code of Practice, Chemistry teachers’ meeting, Biology education events, SAPS update, Resources for microbiology, Changes to DNA kit, Higher Still Sciences : R.I.S.E. On-line booksales.
40(38) Trade news
Specialist waste disposal, Fridges for flammables, Kyowa microscope spares, Microscope servicing, Balances – servicing and repairs
41( 39) Oscilloscopes
A sale by ballot of second hand, dual trace oscilloscopes is announced.
