Please take a look at this link from BBC GCSE Bitesize and make notes about the electrolysis of solutions and melts. It is important to be able to predict what substances are produced at each electrode during electrolysis, so please make a note of the reactivity series of metals (and the position of hydrogen)
GCSE Bitesize - electrolysis
Walking with Cavemen
Please follow the link to the BBC website for their TV seies "Walking with Cavemen". Make notes on each of the species we discussed in class:Walking with Cavemen
Which food produces the smelliest farts?
At last ..... a scientific study about what we all wanted to know:
Speciation in Salamanders
Evolution occurs over timescales of millions of years, but there is evidence that it is occuring now (its just difficult to spot). Take a look at this excellent video clip where differences in the phenotypes of one species of Californian salamander are used to show they are undergoing speciation (in the process of becoming new species).
Syllabuses (Syllabi?)
Download a pdf version of the syllabus relevant to your course using the following links (the year refers to the year when you will be sitting your exam):
Coordinated Science Syllabus 2009
IB Biology Guide 2009
Chemistry Syllabus 2009
Coordinated Science Syllabus 2009
IB Biology Guide 2009
Chemistry Syllabus 2009
Organelles
Please watch this video presentation and make your own notes about each of the organelles it covers:
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