KS3 Geography. Maps and navigation. Co-ordinates and grid references. JOE CROWLEY: When you need to find out exactly where you are on a map you can use co-ordinates to pinpoint your location.

LIZ BONNIN: Hi I’m Liz Bonnin. We’re looking at physical geography. And on such a glorious day like this here at Seven Sisters on the south coast of England, it’s hard to imagine it raining ...