NCERT Class 9 Science Mind Maps

Living organisms require food for development, growth and health. India's growing population of over one billion people demands more than ...

Sound is a mechanical form of energy that produces the sensation of hearing in our ears. It is produced by ...

This chapter explains the scientific relationship between work, energy, and power. It clarifies how these terms, often used loosely in ...

This chapter explores gravitation and the universal law of gravitation formulated by Isaac Newton. It covers the motion of objects ...

This chapter explores the causes of motion, introducing the concept of force and Newton's three laws of motion. It covers ...

This chapter introduces the concept of motion, explaining how to describe motion using distance, displacement, speed, velocity, and acceleration. It ...

This chapter explains the concept of tissues, the difference between plant and animal tissues, various types of plant tissues (meristematic ...

This chapter explores the discovery of cells, their structure and organisation, the cell theory, different cell organelles and their functions, ...

This chapter explores the discovery of sub-atomic particles (electrons, protons, neutrons), the evolution of atomic models (Thomson's, Rutherford's, Bohr's), electronic ...

This chapter explains laws of chemical combination, Dalton’s atomic theory, the ideas of atoms, molecules, ions, and how to write ...

This chapter explores the difference between pure substances and mixtures, explains types of mixtures (homogeneous and heterogeneous), and describes solutions, ...

This chapter explores the physical properties of matter, its particulate nature, the three states of matter (solid, liquid, gas), and ...