Redox Cells: Revision Checklist

When I teach about redox cells, I like starting with the Daniell cell. It is an example of the world’s first battery (cell) and if you remember the details of it, you can apply to same rules to any unfamiliar redox cells. First, a diagram of the cell itself: Hazmat2, via Wikimedia Commons (CC BY 3.0) Note that the zinc half cell is on the left and the copper half-cell on the right. This is important to remember when it comes to ...

Subject report 2014 and the Prof Penguin Channel

As this is the final year for the old style syllabus I thought I would review some of the salient points from the 2014 subject report under Internal assessment. If you have never read a subject report I encourage you to check them out on the OCC forum.Its worth reading not just the most recent (though thats an obviously good place to start). I have always found moderators to have mixed reactions to work on human physiology. One thing that has ...

back to school

By Tuesday, August 31, 2010 , 0

I thought I would share the following excellent Cells site working with the likelihood that this may be a starting point for many who are beginning to teach the DP to Grade 11 classes in this new academic year. From cell size and scale to video animation of the workings of the cell, the links within the site may act as an excellent "hook" for possibly your first topic of the year. AeygTtDx2W8 And then there is this excellent programme from ...