Websites to help you find your way...

Magnetic Attraction and Repulsion
http://www.universetoday.com/82049/how-do-magnets-work/
http://www.shultslaboratories.com/VSC003B.htm
http://www.school-for-champions.com/science/magnetism.htm#.VkKYarerTIU
http://www.explainthatstuff.com/magnetism.html

Earth’s Magnetic Field
http://adventure.howstuffworks.com/outdoor-activities/hiking/compass1.htm
http://csep10.phys.utk.edu/astr161/lect/earth/magnetic.html
http://www.pbs.org/wgbh/nova/magnetic/reve-drives.html
http://www.geomag.nrcan.gc.ca/mag_fld/fld-en.php ​