Intermediate & Higher
BBC bitsize site with video clips ( 5 min) of headlands and arches and stacks. Ideal for students self study with some small tests at end of each section
http://www.bbc.co.uk/schools/gcsebitesize/geography/coastal/
BBC Scotland has several excellent interactive websites covering Rivers,Coasts,Development and Health,Population,Limestone,European Inequalities and Environmental Hazards. Students can certainly work through these on their own
http://www.bbc.co.uk/scotland/learning/secondary/geography/