This covers Ninth Grade Physical Science Unit II, Lessons 904-906.

Courses 
SCI QUIZ 904 A: ELECTRICITYThis course requires an enrolment keyInformation
SCI QUIZ 904 B: MAGNETISMThis course requires an enrolment keyInformation
SCI QUIZ 904 C: INDUCTION AND CONDUCTIONThis course requires an enrolment keyInformation
SCI QUIZ 904 D: CREATING ELECTRICAL CHARGEThis course requires an enrolment keyInformation
SCI QUIZ 905 A: INTRO TO CHEMISTRYThis course requires an enrolment keyInformation
SCI QUIZ 905 B: UNDERSTANDING ATOMS This course requires an enrolment keyInformation
SCI QUIZ 905 C: THE PERIODIC TABLEThis course requires an enrolment keyInformation
SCI QUIZ 905 D: THE PERIODIC TABLE & ISOTOPESThis course requires an enrolment keyInformation
SCI QUIZ 906 A: INTRO TO CHEMISTRY PT. IIThis course requires an enrolment keyInformation
SCI QUIZ 906 B: CHEMICAL EQUATIONSThis course requires an enrolment keyInformation
SCI QUIZ 906 C: VALENCE AND IONIC COMPOUNDSThis course requires an enrolment keyInformation
SCI QUIZ 906 D: IONIC AND COVALENT COMPOUNDSThis course requires an enrolment keyInformation
SCI TEST 904- THE RELATIONSHIP BETWEEN ELECTRICITY AND MAGNETISMThis course requires an enrolment keyInformation
SCI TEST 905: THE PERIODIC TABLE & ISOTOPESThis course requires an enrolment keyInformation
SCI TEST 906: VALENCE AND CHEMICAL FORMULASThis course requires an enrolment keyInformation