California focus on physical sciences: lab manual grade 8 - Evanston, Ill : McDougal Littell, [2008]. - [224] p.: ill. 27 cm. in English ISBN: 13:978-0-618-70828-4 Subjects--Topical Terms: Physical sciences--Study and teaching (Middle school) LC Class. No.: 500.2 C12 [c2008] Gr.8