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Simon Dobbs's Shop

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I taught chemistry for 25 years. I now provide tuition online. I just like nicely produced, imaginative resources.

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I taught chemistry for 25 years. I now provide tuition online. I just like nicely produced, imaginative resources.
Water circuit analogy
simondobbssimondobbs

Water circuit analogy

(0)
In the past I have used a physical water circuit to explain to groups concepts such as potential difference and current. I wanted my own diagram of this, so produced this. Someone, somewhere might find it of use.
Exhaust gases
simondobbssimondobbs

Exhaust gases

(0)
I made a simple information sheet about combustion of fuels and pollution. Because I wanted to.