Electricity from osmotic pressure might seem a far-fetched idea but this article describes a prototype in Norway where the osmotic pressure generated between salt and fresh water drives a turbine. This idea was applied in a student investigation, where they were tasked with researching which alternative materials could be used for the…

The article describes an innovative project for year 9 (age 13-14) students that has run since 2002 with the help of professional engineers and scientists and incorporates careers information and hands-on practical work. The programme was developed to highlight alternative energy as a subject and also to provide a hands-on practical day for the…

Reviews the history of the steam turbine at sea from the 1880s to modern turbines. Presents several pictures of various types of turbines. (YP)

Provides background information and suggestions for concrete experiences to help nonscientists teaching 5- to 13-year-old children. Includes a list of 25 ideas for energy activities and a list of 10 key energy concepts. (JM)