Description
Cambridge IGCSE Biology & Chemistry Solved Past Papers Bundle + Video Explanations
A complete high-value revision library for Cambridge IGCSE Biology and Chemistry, combining 143 solved Paper 4 and Paper 6 exams with topic workbooks, searchable practice and video support.
What’s included
- Two subjects, one revision system — The same ticks, decoded mark schemes, difficulty guidance and search tools run across Biology and Chemistry.
- Exceptional bundle value — Get both $100 subject packages together for $150.
- One hundred and forty-three solved papers — 71 Biology and 72 Chemistry Paper 4 and Paper 6 exams are included.
- Theory answers that earn marks — Paper 4 explanations, comparisons, genetic diagrams and data questions are shown at full scoring depth.
- Biological drawings modelled properly — Finished specimen drawings follow Cambridge rules for outline, proportion, labels and size.
- Graphs and tables completed correctly — Axes, scales, plotting, headings and units are shown on authentic exam layouts.
- Six-mark practical plans — Variables, controls, repeats, safety, measurements and analysis are combined into complete methods.
- Paper 4 theory mastered — Equations, moles, electrolysis, energy changes, rates, equilibrium and organic chemistry are worked in full.
- Paper 6 practicals fully explained — Planning, apparatus, qualitative analysis, separation, titration, calorimetry and rates are modelled step by step.
- Observation wording made precise — Colour changes, precipitates, gases and test results use the exact language examiners accept.
- Unknown-identification chains — Test selection, observations and conclusions are taught as a repeatable method.
- Mark-by-mark model answers — Every scoring point is written as a clear, readable answer and shown with its own green tick.
- Mark schemes decoded in plain English — Acceptable alternatives, ignored wording and mark-scheme shorthand are explained beside the answer.
- Examiner insight where available — Common misconceptions and weak answer patterns are distilled from official examiner reports or marking guidance.
- Difficulty guidance — Easy, medium and hard indicators help students prioritise the questions most likely to improve their grade.
- Command-word coaching — State, describe, explain, suggest, compare, discuss and evaluate are demonstrated in the form examiners reward.
- Original exam figures retained — Apparatus, data tables, spectra, graphs and reaction schemes stay with the exact question.
- Calculations worked line by line — Formula choice, substitution, rearrangement, units and final answer are all shown.







