WEBEarth and Space Science, Grade 12 (SES4U) Curriculum Document: Ministry of Education. The Ontario Curriculum Grades 11 and 12: Science. Queen’s Printer for Ontario, 2008. Credit Value: 1 . Teacher: Mr. Dunbar, room 110W. Prerequisite: Science Grade 10, Academic. Textbook: Borrero et al. 2008. Earth Science. Geology, the …