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Why was this work undertaken?
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| Industry no longer wastes expensive labour time on routine
& repetitive chemical analyses. Computers are now more common
in the modern laboratory as the, once ubiquitous test tube racks &
Bunsen burners! In Lochgelly High School, the Senior Management Team
decided that it was vital to give our pupils the opportunity to use
such apparatus as an integral part of their studies at both Standard
Grade and Higher/AH Chemistry level. With this in mind, funding was
acquired to purchase specialised electrodes and associated analytical
hardware which could be interfaced with the PC's already in each subject
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We wouldn't expect any commercial package to be used within the classroom
without extensive prior testing to evaluate its potential effectiveness.
Once Lochgelly High School had sourced and purchased the necessary hard/software,
we identified where in the chemistry curriculum it could be used and altered
the software programming to make it more 'pupil-friendly'. The adapted
package was then trialled with several classes with great success and
it now stands as a dedicated part of the chemistry coursework.
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What was the impact on pupils' learning?
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I'm sure that you remember science experiments from your own school days
- 20 minutes setting up apparatus & recording information and then
the following three lessons labouriously analysing the results! Today's
chemistry syllabus does not allow time for such mathematical manipulation!
However, our data capture and analysis software lets our chemistry pupils
take a massive range of results (enhancing accuracy); the PC instantly
analyses these results and will present them in any tabular or graphical
format. This saves the pupil a great deal of time and, more importantly,
allows them to gain competence in handling computer interface equipment
that they will encounter in college/university or industrial laboratories.
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What was the impact of teaching strategies?
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Although I was familiar with installing & applying the hard/software,
it was essential to train other members of the science team to ensure
that they were equally competent & confident in using this equipment.
Although it took a great deal of time to train key staff, this was time
well spent - staff could see the versatility of the apparatus and could
integrate it into other subject areas. Our data projector was also employed
to provide powerpoint summaries of key lesson objectives and to display
and analyse results in front of the entire class!
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Hardware/software requirements and useful linked
websites.
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A detailed list of the equipment needed for chemistry interfacing
can be found at the djb microtech wesite :
http://www.djb.co.uk
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