🎥 Video Tutorials
Free video lessons, past paper solutions, and lab demonstrations – Learn at your own pace
📚 Subject Tutorials
Topic-wise video lessons by experienced APEIRON faculty
Mole Concept & Stoichiometry
Complete explanation of moles, Avogadro's number, and stoichiometric calculations with examples.
🎬 Watch Now →Organic Chemistry – Alkanes & Alkenes
Properties, reactions, and mechanisms of alkanes and alkenes. Complete with reaction summary.
🎬 Watch Now →Chemical Bonding – Ionic, Covalent, Metallic
Understanding chemical bonds, electronegativity, and molecular shapes (VSEPR theory).
🎬 Watch Now →Mechanics – Forces & Motion
Newton's laws, equations of motion, momentum, and impulse with worked examples.
🎬 Watch Now →Electricity – Circuits & Components
Series and parallel circuits, Ohm's law, Kirchhoff's laws, and circuit calculations.
🎬 Watch Now →Waves – Properties & Superposition
Transverse and longitudinal waves, superposition, interference, and stationary waves.
🎬 Watch Now →Cell Structure & Function
Animal and plant cells, organelles, and their functions. Prokaryotes vs eukaryotes.
🎬 Watch Now →Genetics & Inheritance
DNA structure, protein synthesis, Mendelian genetics, and Punnett squares.
🎬 Watch Now →Calculus – Differentiation & Integration
Rules of differentiation, integration, and their applications with past paper examples.
🎬 Watch Now →Trigonometry – Identities & Equations
Trigonometric ratios, identities, and solving equations with worked examples.
🎬 Watch Now →CIE IGCSE Chemistry 2024 Paper 4 Solution
Step-by-step solution and marking scheme analysis for CIE IGCSE Chemistry Paper 4 (Theory).
🎬 Watch Now →Edexcel IAL Physics 2024 Unit 1 Solution
Complete walkthrough of Edexcel IAL Physics Unit 1 with exam tips and common mistakes.
🎬 Watch Now →Chemistry Lab – Acid-Base Titration
Complete demonstration of titration technique, indicator selection, and calculations.
🎬 Watch Now →Physics Lab – Young's Modulus Experiment
Practical demonstration of Young's modulus experiment with data analysis.
🎬 Watch Now →📝 Past Paper Solutions Playlists
Complete paper walkthroughs for recent exam sessions
CIE IGCSE Chemistry (0620)
Paper 4 Theory & Paper 6 Alternative to Practical – 2020-2024
12 videos ▶️ View PlaylistEdexcel IAL Physics (WPH0)
Units 1, 2, 3 – Complete past paper solutions (2020-2024)
15 videos ▶️ View PlaylistCIE A-Level Biology (9700)
Paper 4 (A2) & Paper 5 (Practical) – Past paper walkthroughs
10 videos ▶️ View PlaylistEdexcel IGCSE Mathematics A
Paper 1F, 1H, 2F, 2H – Full solutions with explanations
18 videos ▶️ View Playlist🧪 Lab Demonstrations
Core practical videos for ATP mastery
Chemistry Core Practicals
- Titration (Acid-Base)
- Rate of Reaction
- Electrolysis
- Qualitative Analysis
Physics Core Practicals
- Young's Modulus
- Specific Heat Capacity
- Resistivity of a Wire
- Hooke's Law
Biology Core Practicals
- Microscopy
- Osmosis in Potato Cells
- Enzyme Activity
- Respiration Experiments
📺 Recorded Live Classes
Previous session recordings – Catch up on missed lessons
Chemistry – Chemical Equilibrium
Le Chatelier's principle and equilibrium constant calculations (Full class recording).
▶️ Watch RecordingPhysics – Electric Fields
Coulomb's law, electric field strength, and potential (AS Level).
▶️ Watch RecordingBiology – DNA Replication
Detailed explanation of semi-conservative replication with Meselson-Stahl experiment.
▶️ Watch RecordingMathematics – Integration
Definite and indefinite integrals, area under curve, and applications.
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