Structure of Atom – Class 9 Science Best Notes
Objective: By the end of this lesson, readers will: Introduction of Atom: An atom is the smallest unit of an element that retains the chemical properties of that element. Early ...
Read more
Gravitation – Class 9 Science Notes
Objective: By the end of this lesson, readers will: Introduction: Gravitation: The force which attracts every object towards another object is called Gravitation. Note: This is the universal force between ...
Read more