Gases expand the .....1..... and the average separation between molecules is the .....2..... relative to liquids and solids.
Which words complete the sentence?
1: least; 2: smallest
1: least; 2: greatest
1: most; 2: smallest
1: most; 2: greatest
528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.