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...based activities in earth science, biology, physics and chemistry. You will learn about the types of activities undertaken by students of the earth sciences and ecology, as well as how data is collected and analysed. Radio 4's ‘The Material World’ broadcast three programmes from Open University Residential Schools, including SXR103 Practising Science. If you'd like to...

...based on a ‘basket of goods’, much like the Retail Price Index in the UK. This means that specific goods, such as food, housing costs, transport, etc., are monitored and changes in price are recorded. The bar chart has data provided by ECA International. This is a human resources agency. (It seems likely that it is an organisation that relocates staff within Europe,...

...based on data that we supply. A line graph, at its simplest, is a diagram that shows a line joining several points, or a line that shows the best possible relationship between the points. Sometimes the line will go through all of the points, and sometimes it will show the best possible fit. The line does not have to be a straight one; it can be a curve, though the...

...based on measuring the various parameters such as temperature and salinity from the surface to the sea floor. The water which makes up this range is called the water column. The most important instrument used by oceanographers is called a CTD (Figure 8), which measures the conductivity and temperature of the seawater and depth (pressure). [Described image] Figure 8 A CTD:...

...based on a STiP heuristic for making strategy and improving ‘wicked’ situations of change and uncertainty. This course provides a brief overview of five key systems approaches. These approaches are: system dynamics (SD) viable system model (VSM) strategic options development and analysis (SODA) soft systems methodology (SSM) critical systems heuristics (CSH). After...