1) Particles vibrate around a fixed position in a) Solids b) Liquids c) Gases 2) The energy required to melt or freeze a substance is called a) Heat capacity b) Latent heat of fusion c) Latent heat of vaporisation 3) The unit for specific heat capacity a) J/Kg0C b) JKg0C c) kJ/g/0C 4) Internal energy is a measure of a) Kinetic energy and potential energy b) Chemical energy and elastic energy c) Electrostatic and kinetic energy 5) The energy required to evaporate or condense a substance is called a) Heat capacity b) Latent heat of fusion c) Latent heat of vaporisation 6) Gas particles move  a) Quickly in one direction b) A range of speeds in all directions c) Slowly in all directions 7) Gas pressure is affected by a) Temperature and particle size b) Temperature and volume

The particle model

הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?