A drop in the ocean! Download/print a transcript of the video. Liz Bonnin introduces the water cycle - part of Hydrology at KS3 and Rivers and water at KS4 - and explains that water is constantly ...

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.