Month: March 2018

Key Ideas Matter exists in 3 states: solid, liquid and gas. Whenever the matter changes its state, DURING the process of changing, the temperature remains constant (e.g melting point and boiling point) Word Choices When describing the movement of the molecules, you need to remember the appropriate term for different state. Use the terms ‘vibrate‘ … Read more

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