NCERT Solutions Class 9 Science Chapter 1 : Matter In Our Surroundings Chapter 2 : Is Matter Around Us Pure? Chapter 3 : Atoms And Molecules Chapter 4 : Structure Of The Atom Chapter 5 : The Fundamental Unit Of Life Chapter 6 : Tissues Chapter 7 : Motion Chapter 8 : Force and laws of motion Chapter 9 : Gravitation Chapter 10 : Work and energy Chapter 11 : Sound Chapter 12 : Improvement in food resources