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7 - Editorial
8 - Letters
11 - Science notes
11 Partition
coefficient: a unifying concept John F. McCullagh
14 Electrolysis
of dilute aqueous solutions: are ions or molecules discharged?
Chris Talbot
15 An
extension of the burning magnesium experiment John
Twidle and Gren Ireson
18 An optical
analogue demonstration of X-ray diffraction of DNA using
a DIY diffraction grating
Rick Marshall and Mick Nott
20 Measurement
of air pressure with altitude C. J. Schaschke
23 From
classroom to field: s(t)imulating fieldwork techniques
Keith G. Butler
31 - Building
the largest model of DNA in the world Graeme Jones
School children and shoppers share the excitement of building
a world-record-breaking model as science is taken into the
shopping centre
37 -
A novel approach to photosynthesis practicals Debbie
Eldridge
Traditional practical work on photosynthesis is rarely stimulating.
The use of immobilised algae in hydrogencarbonate indicator
is suggested as an accessible and enjoyable alternative at key
stage 4.
47 - Snail
shells and acid rain – an alternative to marble chips and
acid Sue Howarth
A novel class investigation for GCSE coursework or a key stage
3 project. It works, it’s simple, covers both biological
and
chemical topics and it’s fun!
57 - Modelling
LASIK in a school laboratory – away from ‘cookbook’
experiments Siu Ling Wong
This simulation of an ophthalmic procedure promotes learning
of physical principles in a relevant social context
63 - Researchers
in Residence put the fun back into science: learning from
the fossil recordlearning from
the fossil record Sarah Earland
The Pupil Researcher Initiative, ‘Researchers in Residence’,
takes research science into the classroom to inspire and
motivate pupils
71 - Mainstream
chemical research in school science Peter Hughes
Students and teachers can be stimulated and enthused by conducting
original chemistry research
77 - Scientific
research and school students Nigel Collins
Engaging school students with scientists and scientific
research are essential ingredients in the recipe for stimulating
interest in science
87 -
Microwave chemistry Gavin Whittaker
The energy from microwaves is steadily finding more and more
applications in chemistry and can be demonstrated in
school laboratories
95 - The
transit of Venus: a stroke of luck for teachers Arkan
Simaan
Make the most of this rare event on 8 June 2004, which can
provide an exciting interdisciplinary project
101 - Ideas,
evidence and the transit of Venus Kevin Walsh
This event provides an opportunity to recall the work
of Jeremiah Horrocks, one of England’s most prodigious
yet little
known scientists, while undertaking some practical science
107 - What
makes a student’s science investigation more ‘scientific’?
David Lake
How can teachers guide students into undertaking more
sophisticated and fruitful open-ended investigations? A hypothesis
that allows individual creativity while developing content
knowledge makes a good start.
113 - Using different
types of practical within a problem-solving model of science
Ros Roberts
A framework for thinking about the role of practical work
in science teaching
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121 - We
don’t do that – it’s not safe any more!
Peter Borrows
An over-cautious approach to health and safety is inhibiting
good science teaching. The CLEAPSS School Science Service
aims for a balanced view.
127 - Standards
in science key stage tests: how the QCA sets the
attainment levels each year Rose Clesham
How the standards embedded in the science National Curriculum
are translated into performance standards in the science
tests at key stages 2 and 3
131 - Reviews
137 - Andrew
Bishop – a tribute
139 - Index to Advertisers
140 - Notes
and News
142 - Science websearch
144 - Notes for contributors
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