These websites will help you with your journey to the center of the Earth
http://www.universetoday.com/26700/core-of-the-earth/
http://www.windows2universe.org/earth/Interior_Structure/interior.html
http://www.kidsgeo.com/geology-for-kids/0020-crust-mantle-core.php
http://www.learner.org/interactives/dynamicearth/structure.html
http://www.mnh.si.edu/earth/text/4_1_4_0.html
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Inside.shtml
http://merlainadiziodiv1.weebly.com/layers-of-the-earth.html
http://www.bbc.co.uk/bitesize/ks3/geography/physical_processes/plate_tectonics/revision/2/
http://csep10.phys.utk.edu/astr161/lect/earth/tectonics.html
http://pubs.usgs.gov/gip/dynamic/historical.html
http://www.universetoday.com/26700/core-of-the-earth/
http://www.windows2universe.org/earth/Interior_Structure/interior.html
http://www.kidsgeo.com/geology-for-kids/0020-crust-mantle-core.php
http://www.learner.org/interactives/dynamicearth/structure.html
http://www.mnh.si.edu/earth/text/4_1_4_0.html
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Inside.shtml
http://merlainadiziodiv1.weebly.com/layers-of-the-earth.html
http://www.bbc.co.uk/bitesize/ks3/geography/physical_processes/plate_tectonics/revision/2/
http://csep10.phys.utk.edu/astr161/lect/earth/tectonics.html
http://pubs.usgs.gov/gip/dynamic/historical.html