Subject resources, course notes, exam updates and practical study ideas from Eduninja.
All Eduninja blog posts, filtered by curriculum, exam board and subject when selected.
Revise IB Maths AA integration with antiderivatives, definite integrals, area under curves, + C, limits, and common exam mistakes. Includes examples and targeted FAQ.
Revise A-Level Biology cell structure with organelles, prokaryotic vs eukaryotic cells, microscopy, magnification, and cell adaptation wording.
Revise A-Level Biology biological molecules with polymer definitions, monomer vs polymer examples, proteins, starch, DNA, food tests and exam-style wording.
Revise A-Level Physics dynamics with Newton's laws, resultant force, F = ma, weight, friction, connected particles, and force diagram habits.
Learn IB Physics SL momentum with p = mv, vector direction, conservation in collisions, impulse, force-time graphs and exam practice.
Learn IB Maths AA trigonometry basics with SOH CAH TOA, sine and cosine rules, area, unit-circle signs, exact values and exam practice.
Learn the unit circle for IB Maths AA with exact trigonometric values, radians, quadrants, signs and exam methods.
Learn Gibbs free energy for IB Chemistry HL with Delta G, enthalpy, entropy, temperature, spontaneity and exam-style examples.
Learn London dispersion forces for IB Chemistry with temporary dipoles, induced dipoles, molecular size, boiling point trends, examples and practice.
Revise transition metals in IB Chemistry, including coloured ions, variable oxidation states, complex ions, catalysts and common exam mistakes.
Learn double angle identities for IB Maths AA with sin 2x, cos 2x, tan 2x formulas, worked examples, common mistakes and practice.
Learn complete ionization and net ionic equations for IB Chemistry, with ion charges, state symbols, spectator ions, worked examples and practice.