A year's worth of GCSE science challenge problems — one per week, spanning physics, biology, and chemistry. Designed to make you think, not just calculate. These sit above standard GCSE difficulty but below A-level — they reward careful reading, estimation, and logical argument as much as correct formula use.
Student sheet · Word document
52 Problems
All 52 weekly problems with answer spaces. Suitable for printing or distributing digitally.
↓ Download problemsTeacher sheet · Word document
Full Solutions
Worked solutions with full mark-scheme style answers for all 52 problems.
↓ Download solutions52 problems