Class 9 Science Notes & Video Lectures | Mathematics Video Lectures

📝Class 9 Science & Mathematics 

Notes + Video Lectues + Questions

● Questions

 Science 

Chapters

● Matter in our surroundings (Notes )  

● Is matter around us pure? (Notes )

● Fundamental Unit of Life (Notes )

● Force and laws of motion  (Notes )

● Motion (Notes + Video lectures ) 

● Gravitation

● Atoms and molecules 📝

● Structure of the atom (Notes )

● Work and Energy 📝

● Sound 📝

Mathematics 

Chapters

● Linear equations in two variables

●  Lines & Angles 

● Triangles (Congruence) 📝

● Circles 📝

● Surface Areas & Volumes