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Simon Dobbs's Shop

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(based on 33 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.
Isomer pairs
simondobbssimondobbs

Isomer pairs

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In organic chemistry, knowing these pairs can be life-saving. For display in any A level chemistry lab.
Year Ten Sweet Summer Science
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Year Ten Sweet Summer Science

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A readily photocopiable crossword which covers AQA science terms for year ten. Comes with answers. I have included an interactive version, should you wish to do it with a class on the whiteboard. Simply click on ‘index’
Match the properties to the substance
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Match the properties to the substance

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A simple worksheet in black and white for ready photocopying. Students need to be able to work out the type of bonding from the name, and then match the type of bonding to the properties.
Ionic or Covalent?
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Ionic or Covalent?

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A simple , readily photocopiable worksheet on this important skill: deciding on the bonding in a substance.
Shapes of molecules drag & drop
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Shapes of molecules drag & drop

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This could be used as an AFL around the whiteboard. Open the html document by double clicking. Students drag the molecular model to the correct shape. If it’s correct it sticks. 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.
Drag and drop electronic configuration
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Drag and drop electronic configuration

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Drag the electronic configuration to the element, if it is correct it sticks, but not if it’s wrong. Useful as a quick AFL around the board. Helps students to quickly see patterns in the structure of the atom. Double click on the html file. No flash plugin required. I suggest you zoom out in the browser view to assist solving.
Hydrocarbons drag & drop
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Hydrocarbons drag & drop

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Drag the structure to the name and drop… If it is correct it sticks. Useful around the whiteboard for AFL. Simply open the html file. 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.
A step by step guide to one mole calculation
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A step by step guide to one mole calculation

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Burning ethane. If I burn 10g of ethane, how much carbon dioxide will I get? A simple powerpoint show. Two slightly different approaches are illustrated, , you could use either or both ( I have now corrected the error in the equation.)
Electrophilic addition cut&stick
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Electrophilic addition cut&stick

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An introductory sheet of answers, followed by cut and stick exercise for this challenging mechanism. Cut and stick promotes familiarity with the mechanism, promotes discussion when done in groups, and is enjoyed immensely by sixth formers.