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Combined Science · Learn
39 lessons in 7 units, about 52 h 5 min of reading and core practice. Each lesson ends with a quick check.
Specification
Unit 1
The cell-level and organ-level biology tested in AQA Biology Paper 1 and its equivalents: cells and microscopy, transport, cell division, digestion and enzymes, circulation and gas exchange, plant transport, disease and immunity, photosynthesis and respiration.
8 lessons · 10 h of study · ≈16% of the test
Unit 2
The biology tested in AQA Biology Paper 2 and its equivalents: homeostasis, the nervous and endocrine systems, reproduction and genetics, evolution and genetic technology, ecosystems, and human impacts on biodiversity.
6 lessons · 7 h 45 min of study · ≈14% of the test
Unit 3
The chemistry tested in AQA Chemistry Paper 1 and its equivalents: atomic structure and the periodic table, bonding and structure, quantitative chemistry, reactivity, acids and salts, electrolysis and energy changes.
7 lessons · 9 h 35 min of study · ≈18% of the test
Unit 4
The chemistry tested in AQA Chemistry Paper 2 and its equivalents: rates and equilibrium, crude oil and hydrocarbons, purity and chemical analysis, the atmosphere and climate change, and using resources sustainably.
5 lessons · 5 h 30 min of study · ≈12% of the test
Unit 5
The physics tested in AQA Physics Paper 1 and its equivalents: energy stores and efficiency, energy resources and mains electricity, circuits, the particle model and atomic structure and radioactivity.
5 lessons · 7 h 15 min of study · ≈14% of the test
Unit 6
The physics tested in AQA Physics Paper 2 and its equivalents: forces and elasticity, motion and Newton’s laws, stopping distances and momentum, waves and the electromagnetic spectrum, magnetism and electromagnetism, and board-specific space physics.
5 lessons · 6 h 45 min of study · ≈14% of the test
Unit 7
The skills examined across every paper: practical work and the required/core practicals (at least 15% of marks), mathematical skills (at least 20% of combined science marks), data analysis, and extended open responses.
3 lessons · 5 h 15 min of study · ≈13% of the test
Start here
Biology: cells, organisation and bioenergetics · Lesson 1 of 8
Eukaryotic and prokaryotic cells, specialised cells, light and electron microscopy with magnification calculations, and diffusion, osmosis and active transport.
1 h 30 min of study≈3% of the test
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Every lesson is free to read. With an account, finished lessons are ticked off, quick checks feed your mastery, and flashcards come back for review.
Strategy, scoring and test day, beyond the syllabus.
Learn, then practise
Each lesson ends with three quick questions. For more, practice adapts to the topics you’re weakest on.
Open practice