P2.2.1 CORE 1
Thermal expansion of solids, liquids and gases
Which statement best explains thermal expansion?
P2.2.1 SUPPLEMENT 2
Applications and consequences of thermal expansion
Why are expansion gaps left in bridges and railway tracks?
P2.2.2 CORE 1
Melting and boiling temperatures of water
At standard atmospheric pressure, water boils at:
P2.2.2 CORE 2
Condensation and freezing in terms of particles
During freezing, what happens to the particles?
P2.2.2 CORE 3
Evaporation as escape of more energetic particles
Which particles escape during evaporation?
P2.2.2 CORE 4
Why evaporation causes cooling
Why does evaporation cool a liquid?
P2.2.2 CORE 5
Energy input without temperature change during melting and boiling
Why does temperature stay constant during melting/boiling even though energy is supplied?
P2.2.2 SUPPLEMENT 6
Differences between boiling and evaporation
Which statement correctly compares boiling and evaporation?
P2.2.2 SUPPLEMENT 7
Factors affecting evaporation
Which combination increases the rate of evaporation?
P2.3.1 CORE 1
Good thermal conductors and bad thermal conductors (insulators)
Which material is usually the best thermal conductor?
P2.3.1 SUPPLEMENT 2
Conduction in solids: lattice vibrations and delocalised electrons
Why do metals conduct thermal energy especially well?