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Simon Dobbs's Shop

Average Rating4.72
(based on 34 reviews)

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.
Redox reactions
simondobbssimondobbs

Redox reactions

(0)
I made a very simple, very introductory presentation on redox reactions. It is intended to be totally entry level.
Simply Simon's wordsearch book
simondobbssimondobbs

Simply Simon's wordsearch book

(0)
44 wordsearches. with solutions and some easter eggs Christmas English literature Science Music Geography General knowledge history natural history Just for fun- hope it’s of use to someone, somewhere. Possibly at the end of term.
Drag & Drop particles: Pure element, compound, or mixtures of these.
simondobbssimondobbs

Drag & Drop particles: Pure element, compound, or mixtures of these.

(0)
Double click the particles.html file, and the interactive drag and drop activity will open in your web browser. Drag the picture to the best description, if correct it will stick. Distinguish between pure elements, pure compound and mixtures of both. Good AFL around the board to check understanding of particles. maybe print out solution for revision. Please note: in order to provide a rich interactive experience, my drag & drop resources are mini-web sites local to your computer. After unzipping, they comprise a folder containing the main .html file and another folder containing the graphic resources and my coding to make the resource work. Double click on the .html file and the resource will work. If, however , you move or delete any of the files from this hierarchy, the resource will not work.
Neutral Salts can be fun
simondobbssimondobbs

Neutral Salts can be fun

(0)
A worksheet for writing formulae of ionic compounds. Some explanation on the front, and plenty of examples to do on the back. The knowledge of the structure of ions is crucial to success in chemistry. In black and white for easy photocopying. I have had to completely rework this in affinity publisher due to my own fault, a spelling mistake in quark express (a program which is of no use to me any more) Sorry for anyone who bought it. I know to spell exercise. Really Update: answers also provided and cosmetic improvement. I do hope this is useful to someone.
Rate of reaction with a gas syringe simulation.
simondobbssimondobbs

Rate of reaction with a gas syringe simulation.

(0)
I have made a simulation of the marble chips and acid experiment at four different concentrations of acid. Just double click on the “gas syringe.html” file and it will open in your web browser. You could use browser zoom controls to make it huge if you wish. Maybe take measurements of volume of gas evolved against time or just use to introduce the experiment or revise. ( the price for this could save your department many times in broken gas syringes.) Please note: in order to provide a rich interactive experience, my resources are mini-web sites local to your computer. After unzipping, they comprise a folder containing the main .html file and another folder containing the graphic resources and my coding to make the resource work. Double click on the .html file and the resource will work. If, however , you move or delete any of the files from this hierarchy, the resource will not work.