In Lesson 4, students use observations from Lesson 3 to develop and revise models (SEP.2) to describe that light reflecting from objects and entering the eyes (PS4.B) allows objects to be seen (CC.2).

The National Institute of Open Schooling (NIOS) has released the updated Class 12 syllabus for the 2025-26 academic year. Students preparing for the October 2025 examinations should download this new ...

In Lesson 3 part 2, students continue their exploration of the Phenomenon Question: What separates Earth from outer space? Students determine that Earth’s atmosphere is made of gas particles that ...