Year 10 Maths
Bearings Games
http://www.flashymaths.co.uk/swf/bearings.swf
http://www.mathsonline.co.uk/freesite_tour/gamesroom/bearings/canoebearings.html
Sunrise Sunset Times
Compute Sunrise, Sunset & Twilight Times
http://www.perthobservatory.wa.gov.au/pdfs/rise_set_pdfs/sun2012.txt
http://www.ga.gov.au/bin/geodesy/run/gazmap_sunrise?placename=Perth&placetype=0&state=0#loc
Earth's Orbit and Time
http://www.mathsisfun.com/earth-orbit.html
World Time Zones
http://www.mathsisfun.com/time-zones-world.html