Cambridge Progression Test Stage 9 Science 2025 Paper 2

1. Water transport in plants (osmosis, xylem, transpiration), photosynthesis inputs and chloroplasts, glucose formation
2. Chemical bonding (ionic and covalent), reactivity series predictions, symbol equations, reaction outcomes
3. Sound wave cancellation (destructive interference), electrical circuit voltage measurement and resistance calculation, Ohm’s law application
4. Causes and consequences of desertification (climate change, overgrazing, erosion), identifying physical and human impacts
5. Classification keys for species identification, density calculation with unit, structure type inference from melting/boiling points
6. Heat transfer between metal blocks (conduction, thermal equilibrium), evaporation and cooling, convection demonstrations with colored water