The CBSE Class 9 Science syllabus for 2025-26 is aligned with the National Curriculum Framework for School Education (NCFSE) 2023. It includes the complete breakdown of units, topics, and assessment ...

Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a ...

WEST LAFAYETTE, Ind. - A new approach to control forces and interactions between atoms and molecules, such as those employed by geckos to climb vertical surfaces, could bring advances in new materials ...

General Introduction: Importance and scope of Chemistry, Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules, atomic and molecular masses, ...