CBSE Class 9 Science Unit-Wise Weightage for Annual Examination (2025–26) The annual exam for Class 9 Science will be based on four major units covering Physics, Chemistry, Biology, and ...

The Board, in its notice, emphasised that these sample papers should be used in classroom instruction to promote the ...

Tatiana Erukhimova, who teaches physics at Texas A&M University, has managed to get her students, as well as future generations, excited about the science.