Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

24th September 2025

5 questions · GCSE · 584 questions in this band

1
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an endothermic reaction.
2
Bond Energies, Cells and Fuel Cells
State the two substances that react inside a hydrogen fuel cell.
3
Rate and Extent of Chemical Change
State what is meant by a catalyst.
4
Rates of Reaction
Explain why increasing the surface area of a solid reactant increases the rate of a reaction.
5
Reversible Reactions and Equilibrium
State Le Chatelier's principle in your own words.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Every sheet is deterministic: the same date always regenerates the same five questions. All of September 2025, including the monthly compilation PDF.