"Teacher- Mr. Hong (slide show)" "B.C Science 7 " (Text book) "Class notes" November 22nd, 2011
Pictures:
"Pulaskite igneous rock" Science Photo Library November 22nd, 2011 <http://www.sciencephoto.com> "Igneous Rocks" Southwell School November 22nd, 2011 <http://moodle.southwell.school.nz/> "Formation of Igneous Rocks" Collecting Rocks and Minerals November 22nd, 2011 <http://www.collecting-rocks-and-minerals.com>