Lower Secondary Science

Main ideas Heat flows from a region of higher temperature to a region of lower temperature. Heat is transferred via three different processes: conduction, convection and radiation. Conduction It takes place mainly in solids. We usually ignore the effect of conduction in liquid and gas. Heat is transferred via molecular vibration. Commonly seen terms: poor … Read more

Common Physical Quantities length diameter/radius cross-sectional area mass volume Scientific Method Scientific method is derived from systematic observation, experimentation and analysis and partly from human imagination and creativity. Suggested of Scientific Method: Observing You notice or observe certain phenomenon or occurence Questioning Based on what you observed, you might have questions that you want an … Read more