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Simon Dobbs's Shop

Average Rating4.72
(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.
Pretty Poly(mers)
simondobbssimondobbs

Pretty Poly(mers)

(0)
This is a very simple worksheet. Link the name of the polymer to its monomer. Then draw the repeating unit. A drag and drop version may follow. Watch this space.
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.)
Drag & Drop particles: Pure element, compound, or mixtures of these.
simondobbssimondobbs

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

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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.
Esters worksheet
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Esters worksheet

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Introduction on the front, eleven questions on naming esters on the back. All in black and white for photocopying cheaply. To save you some time. Useful for GCSE, but could be used at A level.
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.
Hazard warning signs drag & drop-interactive lab safety
simondobbssimondobbs

Hazard warning signs drag & drop-interactive lab safety

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Match the hazard warning sign to its description. If correct it sticks. Open the html file by double clicking, et voila. A preview of this activity can be seen on my web site. 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.
The Mole
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The Mole

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A readily photocopied (B&W) worksheet on calculating numbers of moles. The first page is introductory, with some examples, the second page has ten questions of introductory difficulty.
Relative molecular mass.
simondobbssimondobbs

Relative molecular mass.

(0)
A simple worksheet giving lots of examples of calculating Mr values. answers included. Black and white for ease of photocopying. Consists of introductory page, examples on back, and final page with answers.
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.
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& Drop Functional Group with formulae
simondobbssimondobbs

Drag& Drop Functional Group with formulae

(0)
This is a variation of my ‘drag and drop functional group’ activity. In this case you drag the structural formula to the correct name of the functional group. If it is correct it will stick, otherwise it won’t. Could be used around the whiteboard as a quick AFL. This is a simple html5 document- simply double click on the html file and it will load in your web browser. (nb because the table is long, you may have to zoom out in your web browser to complete.) ** 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. If, however , you move or delete any of the files from this hierarchy, the resource will not work.
Neutral Salts can be fun
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Neutral Salts can be fun

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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.
Ionic or Covalent?
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Ionic or Covalent?

(0)
A simple , readily photocopiable worksheet on this important skill: deciding on the bonding in a substance.
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.