The Rock Cycle

  • http://www.projectgcse.co.uk/chemistry/index.htm
    At this site click on chemistry and then on one of the following;
    Continental drift.
    Structure of the Earth.
    Erosion and transportation.
    Igneous rocks.
    Sedimentary rocks.
    The rock cycle.
    Plate tectonics.
    Rock weathering
    This site is short and to the point with straight definitions and text.

  • http://www.projectgcse.co.uk/chemistry/weathering.htm
    Look here for information about weathering of rocks.

  • http://www.cotf.edu/ete/modules/msese/earthsysflr/rock.html
    At this site click on Earth floor. A fun site with explanations and diagrams.

    The Atmosphere

    On this site click on chemistry and then 14. The Earth and atmosphere.
    This site looks at the composition of the atmosphere, Air pollution and has worked questions.
    There are also links to other relevant sites.

    Crude Oil, Coal and Natural Gas

  • www.gcsechemistry.co.uk
    Have a look at products from oil

  • Distillation
    Some good pictures of fractional distillation. Quite a detailed site.

    Revision guides can be tried at;

  • www.projectgcse.co.uk