Search Results for Ray. Harper
SirsiDynix Enterprise
https://library.epsb.ca/client/en_US/ech/ech/qu$003dRay.$002bHarper$0026te$003dILS$0026ps$003d500?
2024-10-17T23:38:00Z
Energy transformations
ent://SD_ILS/0/SD_ILS:1672909
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Ray. Harper<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC VHS 531 ENE<br/>
Conservation laws
ent://SD_ILS/0/SD_ILS:1673076
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Ray. Harper<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC DVD 531 CON<br/>
Maintaining equilibrium
ent://SD_ILS/0/SD_ILS:1672911
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Ray. Harper<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC VHS 571.7 MAI<br/>
Systems, energy and matter
ent://SD_ILS/0/SD_ILS:1672919
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Ray. Harper<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC VHS 571.6 SYS<br/>
Water highway of life
ent://SD_ILS/0/SD_ILS:1672921
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Helen. Brisbin<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC DVD 553.7 WAT<br/>
Energy converters
ent://SD_ILS/0/SD_ILS:1672908
2024-10-17T23:38:00Z
2024-10-17T23:38:00Z
By Sylvia. Leung<br/>Format Video cassette<br/>1997<br/>Series Simply science.<br/>Call # TRC DVD 531 ENE<br/>