Ncert book summaries

“Science is a systematic attempt to understand natural phenomena in as much detail and depth as possible, and use the knowledge so gained to predict, modify and control phenomena.”

Introductory statement found in many NCERT science textbooks, defining the scope of science.

“Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, carbon dioxide, and water.”

Definition of photosynthesis in biology chapters.

“Force is a push or a pull acting on an object.”

Fundamental definition in physics chapters discussing motion and forces.

“The law of conservation of energy states that energy can neither be created nor destroyed, but can only be transformed from one form to another.”

A core principle explained in chapters on energy and its forms.

“All living organisms are made up of cells, which are the basic structural and functional units of life.”

Fundamental concept introduced in biology chapters on the cell.

“An electric circuit is a continuous and closed path of an electric current.”

Definition provided in chapters explaining electricity and circuits.