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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.
Aliphatic reaction mechanism revision.
simondobbssimondobbs

Aliphatic reaction mechanism revision.

(0)
I made a series of templates for the main aliphatic reaction mechanisms in OCR chemistry A level. They resemble exam questions where students have to complete the reaction with partial charges, lone pairs and curly arrows. The intention is that they can be printed out by students as often as is required, for practice. A solution is provided for each example. Included are: nucleophilic substitution, electrophilic addition, nucleophilic addition, radical substitution and elimination.
paper chromatography
simondobbssimondobbs

paper chromatography

(0)
An explanation of paper chromatography in a movie, with voiceover. In this animation, the dyes don’t smear, so students can see what is meant to happen, rather than what really does.
Dewar Benzene: practicexamquest
simondobbssimondobbs

Dewar Benzene: practicexamquest

(0)
Exam boards often take unknown substances and ask students to apply their understanding of chemistry to them. To provide practice answering this type of question, I am developing a series of worksheets with this type of question. The series is called “Practicexamquest.”
Heating water
simondobbssimondobbs

Heating water

(0)
I have tried to illustrate the concept of separation of water molecules rather than breaking covalent bonds when water is heated with a quick and dirty animation. Click on the water boiling.html file and it will run in your browser.
Functional groups in organic chemistry
simondobbssimondobbs

Functional groups in organic chemistry

(0)
I set this to a funky beat, in an attempt to aid memory. Play it over and over again. If it’s too large to download, you could play it directly from this page, pressing the fill screen button. Why not play it at the end of many lessons, getting students to chant the names of the functional groups as they appear? A real process of learning.
Particles Animation
simondobbssimondobbs

Particles Animation

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I made a tiny, simple little interactive animation thingy to illustrate particles in a clunky kind of way. Just the three states of matter. Please note: in order to provide a rich interactive experience, my interactive 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 in your web browser… If, however , you move or delete any of the files from this hierarchy, the resource will not work. stdobbs.com ©D&D production
A tiny interactive quiz for chemistry A level
simondobbssimondobbs

A tiny interactive quiz for chemistry A level

(0)
This runs in your browser…click on the correct answer and you get feedback. Eight slides. Please note: in order to provide a rich interactive experience, my interactive resources are mini-web sites local to your computer. After unzipping, they comprise a folder containing the main quiz.html file and another folder containing the graphic resources and my coding to make the resource work. Double click on the quiz.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.