• An image of the world made from plant debris

    The carbon dioxide problem

    1 March 2006

    Measuring carbon dioxide from plant debris provides an opportunity for an inquiry-based experiment aimed at 14-15 year olds. Similar experiments are done by soil scientists and ecologists in their efforts to understand the global carbon cycle

  • Figure 1 - the sea-water battery

    Rough science and homemade batteries

    1 January 2006

    Investigations involving simple batteries made from items found in the home or school laboratory can help KS3 pupils understand the origin of current, voltage and power, and the chemistry that drives batteries.