Frequently asked questions
Tap a question to see the answer.
What is Dr Dabour Hub Academy?
Dr Dabour Hub Academy is a free online science academy that helps secondary-school students learn Biology, Chemistry and Physics unit by unit for IGCSE, AS and A Level, Edexcel, IB, AP, the American system and Saudi SAAT. It has 70 courses with 8,123 lessons and 6,117 quizzes that follow the official specification.
Is Dr Dabour Hub Academy free?
Yes. Every lesson, revision note and quiz on Dr Dabour Hub Academy is free to use, with no subscription and no paywall. You can open any course and start studying straight away.
Which exam boards and curricula does Dr Dabour Hub cover?
Dr Dabour Hub covers Cambridge IGCSE, AS and A Level, Edexcel, AQA and OCR, the IB Diploma, AP, the American system (including SAT and EST subject tests), Saudi SAAT (Tahsili in English) and lower secondary Checkpoint. Each course is organised by exam board and level, then by syllabus unit.
Where can I find free IGCSE Biology, Chemistry and Physics revision notes?
Dr Dabour Hub has free IGCSE Biology, Chemistry and Physics courses split by syllabus point, each with revision notes, key terms and exam-style questions. Open the Cambridge tab in the course list above or use the search to jump to a topic.
Does Dr Dabour Hub have past-paper practice questions?
Yes. Each course has topic quizzes plus past-paper-style and predicted questions with instant marking, so you can check every answer as you revise. The questions are written in the exam style by the academy; they are practice questions, not leaked exam items.
How are the courses organised?
Each curriculum has its own cover. Open it to choose the level or grade, then the subject, then a unit. Every unit opens on its lessons in syllabus order.
How is each lesson taught?
Every lesson starts with a clear objective, explains the ideas step by step with worked examples, and ends with the key terms you need for the exam.
What language are the lessons in?
All lessons on the English site are written in clear academic English for international and British-curriculum students.
Do I need any prior knowledge to start?
No. Each course starts from the basics of its syllabus and builds up unit by unit, so you can start at any level and move at your own pace.
Do I need an account to study?
No. Every course and lesson opens straight away. Creating a free account only saves your progress and lets you continue on any device.
Can I study on my phone?
Yes. The whole site works on phones, tablets and laptops, and every lesson is designed to be easy to read on a small screen.
Who creates the lessons on Dr Dabour Hub?
The lessons and questions are prepared by Dr Dabour Hub Academy, founded by science teacher Dr Khaled Dabour. Every course follows the official exam-board specification unit by unit.
Compare us: Dr Dabour Hub vs Save My Exams · Best free IGCSE revision sites