Mr Kidman's ClassroomEdexcel · GCSE (9–1) · Edexcel Combined Science and Edexcel Separate Sciences
GCSE Edexcel
Science Revision.
Find your next topic or core practical. Choose your course, browse by subject and exam paper, or search for what you need.
Chapter codes are textbook labels. Topic view groups their revision pages under the official specification topics. Physics Topic 1 contains key concepts and skills used throughout the physics chapters; it has no separate chapter page.
Some resources cover both papers and appear in both filters.
Units and core practicals
57 Edexcel Combined Science resourcesNo matching resources
Try a different topic or unit code, or clear your filters.
Biology
ResourcesRevision units
CB1Ready to revise
Key concepts in biology
Topic 1 — Key concepts in biology
Cells, enzymes and transport
Biology · Papers 1 & 2Start revising
VideoCB2Ready to revise
Cells and control
Topic 2 — Cells and control
Cell division, growth and the nervous system
Biology · Paper 1Start revising
VideoCB3Ready to revise
Genetics
Topic 3 — Genetics
DNA, inheritance and variation
Biology · Paper 1Start revising
VideoCB4Ready to revise
Natural selection and genetic modification
Topic 4 — Natural selection and genetic modification
Evolution, selective breeding and biotechnology
Biology · Paper 1Start revising
VideoCB5Ready to revise
Health, disease and the development of medicines
Topic 5 — Health, disease and the development of medicines
Pathogens, immunity and medicines
Biology · Paper 1Start revising
VideoCB6Ready to revise
Plant structures and their functions
Topic 6 — Plant structures and their functions
Photosynthesis and transport in plants
Biology · Paper 2Start revising
VideoCB7Ready to revise
Animal coordination, control and homeostasis
Topic 7 — Animal coordination, control and homeostasis
Hormones and keeping internal conditions stable
Biology · Paper 2Start revising
VideoCB8Ready to revise
Exchange and transport in animals
Topic 8 — Exchange and transport in animals
Gas exchange, circulation and respiration
Biology · Paper 2Start revising
VideoCB9Ready to revise
Ecosystems and material cycles
Topic 9 — Ecosystems and material cycles
Food webs, biodiversity and nutrient cycles
Biology · Paper 2Start revising
VideoSB1Ready to revise
Key concepts in biology
Topic 1 — Key concepts in biology
Cells, enzymes and transport
Biology · Papers 1 & 2Start revising
VideoSB2Ready to revise
Cells and control
Topic 2 — Cells and control
Cell division, growth and the nervous system
Biology · Paper 1Start revising
VideoSB3Ready to revise
Genetics
Topic 3 — Genetics
DNA, inheritance and variation
Biology · Paper 1Start revising
VideoSB4Ready to revise
Natural selection and genetic modification
Topic 4 — Natural selection and genetic modification
Evolution, selective breeding and biotechnology
Biology · Paper 1Start revising
VideoSB5Ready to revise
Health, disease and the development of medicines
Topic 5 — Health, disease and the development of medicines
Pathogens, immunity and medicines
Biology · Paper 1Start revising
VideoSB6Ready to revise
Plant structures and their functions
Topic 6 — Plant structures and their functions
Photosynthesis and transport in plants
Biology · Paper 2Start revising
VideoSB7Ready to revise
Animal coordination, control and homeostasis
Topic 7 — Animal coordination, control and homeostasis
Hormones and keeping internal conditions stable
Biology · Paper 2Start revising
VideoSB8Ready to revise
Exchange and transport in animals
Topic 8 — Exchange and transport in animals
Gas exchange, circulation and respiration
Biology · Paper 2Start revising
VideoSB9Ready to revise
Ecosystems and material cycles
Topic 9 — Ecosystems and material cycles
Food webs, biodiversity and nutrient cycles
Biology · Paper 2Start revising
VideoTopic 2 — Cells and control
Revision chapters
Topic 3 — Genetics
Revision chapters
Topic 4 — Natural selection and genetic modification
Revision chapters
Topic 5 — Health, disease and the development of medicines
Revision chapters
Topic 6 — Plant structures and their functions
Revision chapters
Topic 7 — Animal coordination, control and homeostasis
Revision chapters
Topic 8 — Exchange and transport in animals
Revision chapters
Topic 9 — Ecosystems and material cycles
Revision chapters
Topic 1 — Key concepts in biology
Revision chapters
Topic 2 — Cells and control
Revision chapters
Topic 3 — Genetics
Revision chapters
Topic 4 — Natural selection and genetic modification
Revision chapters
Topic 5 — Health, disease and the development of medicines
Revision chapters
Topic 6 — Plant structures and their functions
Revision chapters
Topic 7 — Animal coordination, control and homeostasis
Revision chapters
Topic 8 — Exchange and transport in animals
Revision chapters
Topic 9 — Ecosystems and material cycles
Revision chapters
Core practicals
BPR1Core practical
Microscopy and biological drawings
Topic 1 — Key concepts in biology
Method, diagrams, evaluation and 30 questions
Biology · Papers 1 & 2Start revising
BPR2Core practical
Effect of pH on amylase
Topic 1 — Key concepts in biology
Method, diagrams, evaluation and 30 questions
Biology · Papers 1 & 2Start revising
BPR3Core practical · Triple only
Food tests
Topic 1 — Key concepts in biology
Method, diagrams, evaluation and 30 questions
Biology · Papers 1 & 2Start revising
BPR4Core practical
Osmosis in potato cylinders
Topic 1 — Key concepts in biology
Method, diagrams, evaluation and 30 questions
Biology · Papers 1 & 2Start revising
BPR5Core practical · Triple only
Antimicrobials and microbial cultures
Topic 5 — Health, disease and the development of medicines
Method, diagrams, evaluation and 30 questions
Biology · Paper 1Start revising
BPR6Core practical
Light intensity and photosynthesis
Topic 6 — Plant structures and their functions
Method, diagrams, evaluation and 30 questions
Biology · Paper 2Start revising
BPR7Core practical
Respiration using a respirometer
Topic 8 — Exchange and transport in animals
Method, diagrams, evaluation and 30 questions
Biology · Paper 2Start revising
BPR8Core practical
Quadrats and belt transects
Topic 9 — Ecosystems and material cycles
Method, diagrams, evaluation and 30 questions
Biology · Paper 2Start revising
Chemistry
ResourcesRevision units
CC1Ready to revise
States of matter
Topic 2 — States of matter and mixtures
Particles and changes of state
Chemistry · Paper 1Start revising
VideoCC2Ready to revise
Methods of separating and purifying substances
Topic 2 — States of matter and mixtures
Mixtures, chromatography and distillation
Chemistry · Paper 1Start revising
VideoCC3Ready to revise
Atomic structure
Topic 1 — Key concepts in chemistry
Atoms, isotopes and electronic configuration
Chemistry · Papers 1 & 2Start revising
VideoCC4Ready to revise
The periodic table
Topic 1 — Key concepts in chemistry
Elements, groups and periods
Chemistry · Papers 1 & 2Start revising
VideoCC5Ready to revise
Ionic bonding
Topic 1 — Key concepts in chemistry
Ions and ionic compounds
Chemistry · Papers 1 & 2Start revising
VideoCC6Ready to revise
Covalent bonding
Topic 1 — Key concepts in chemistry
Shared electrons and molecules
Chemistry · Papers 1 & 2Start revising
VideoCC7Ready to revise
Types of substance
Topic 1 — Key concepts in chemistry
Structures, bonding and material properties
Chemistry · Papers 1 & 2Start revising
VideoCC8Ready to revise
Acids and alkalis
Topic 3 — Chemical changes
pH, neutralisation and making salts
Chemistry · Paper 1Start revising
VideoCC9Ready to revise
Calculations involving masses
Topic 1 — Key concepts in chemistry
Relative masses, conservation of mass and moles
Chemistry · Papers 1 & 2Start revising
VideoCC10Ready to revise
Electrolytic processes
Topic 3 — Chemical changes
Electrolysis of molten and aqueous substances
Chemistry · Paper 1Start revising
VideoCC11Ready to revise
Obtaining and using metals
Topic 4 — Extracting metals and equilibria
Reactivity, extraction and recycling
Chemistry · Paper 1Start revising
VideoCC12Ready to revise
Dynamic equilibria
Topic 4 — Extracting metals and equilibria
Reversible reactions and equilibrium
Chemistry · Paper 1Start revising
VideoCC13Ready to revise
Groups in the periodic table
Topic 6 — Groups in the periodic table
Group 1, Group 7 and Group 0
Chemistry · Paper 2Start revising
VideoCC14Ready to revise
Rates of reaction
Topic 7 — Rates of reaction and energy changes
Collision theory, catalysts and reaction rates
Chemistry · Paper 2Start revising
VideoCC15Ready to revise
Heat energy changes in chemical reactions
Topic 7 — Rates of reaction and energy changes
Exothermic and endothermic reactions
Chemistry · Paper 2Start revising
VideoCC16Ready to revise
Fuels
Topic 8 — Fuels and Earth science
Hydrocarbons, crude oil and combustion
Chemistry · Paper 2Start revising
VideoCC17Ready to revise
Earth and atmospheric science
Topic 8 — Fuels and Earth science
The atmosphere, climate and resources
Chemistry · Paper 2Start revising
VideoSC1Ready to revise
States of matter
Topic 2 — States of matter and mixtures
Particles and changes of state
Chemistry · Paper 1Start revising
VideoSC2Ready to revise
Methods of separating and purifying substances
Topic 2 — States of matter and mixtures
Mixtures, chromatography and distillation
Chemistry · Paper 1Start revising
VideoSC3Ready to revise
Atomic structure
Topic 1 — Key concepts in chemistry
Atoms, isotopes and electronic configuration
Chemistry · Papers 1 & 2Start revising
VideoSC4Ready to revise
The periodic table
Topic 1 — Key concepts in chemistry
Elements, groups and periods
Chemistry · Papers 1 & 2Start revising
VideoSC5Ready to revise
Ionic bonding
Topic 1 — Key concepts in chemistry
Ions and ionic compounds
Chemistry · Papers 1 & 2Start revising
VideoSC6Ready to revise
Covalent bonding
Topic 1 — Key concepts in chemistry
Shared electrons and molecules
Chemistry · Papers 1 & 2Start revising
VideoSC7Ready to revise
Types of substance
Topic 1 — Key concepts in chemistry
Structures, bonding and material properties
Chemistry · Papers 1 & 2Start revising
VideoSC8Ready to revise
Acids and alkalis
Topic 3 — Chemical changes
pH, neutralisation and making salts
Chemistry · Paper 1Start revising
VideoSC9Ready to revise
Calculations involving masses
Topic 1 — Key concepts in chemistry
Relative masses, conservation of mass and moles
Chemistry · Papers 1 & 2Start revising
VideoSC10Ready to revise
Electrolytic processes
Topic 3 — Chemical changes
Electrolysis of molten and aqueous substances
Chemistry · Paper 1Start revising
VideoSC11Ready to revise
Obtaining and using metals
Topic 4 — Extracting metals and equilibria
Reactivity, extraction and recycling
Chemistry · Paper 1Start revising
VideoSC12Ready to revise
Reversible reactions and equilibria
Topic 4 — Extracting metals and equilibria
Reversible reactions and equilibrium
Chemistry · Paper 1Start revising
VideoSC13Ready to revise
Transition metals, alloys and corrosion
Topic 5 — Separate chemistry 1
Metal properties, rust prevention, electroplating and useful alloys
Chemistry · Paper 1Start revising
VideoSC14Ready to revise
Quantitative analysis
Topic 5 — Separate chemistry 1
Concentrations, titration, percentage yield and atom economy
Chemistry · Paper 1Start revising
VideoSC15Ready to revise
Dynamic equilibria and calculations involving volumes of gases
Topic 5 — Separate chemistry 1
Gas volumes, Haber-process conditions and fertiliser production
Chemistry · Paper 1Start revising
VideoSC16Ready to revise
Chemical cells and fuel cells
Topic 5 — Separate chemistry 1
Chemical electricity, hydrogen–oxygen fuel cells and evidence-based comparisons
Chemistry · Paper 1Start revising
VideoSC17Ready to revise
Groups in the periodic table
Topic 6 — Groups in the periodic table
Group 1, Group 7 and Group 0
Chemistry · Paper 2Start revising
VideoSC18Ready to revise
Rates of reaction
Topic 7 — Rates of reaction and energy changes
Collision theory, catalysts and reaction rates
Chemistry · Paper 2Start revising
VideoSC19Ready to revise
Heat energy changes in chemical reactions
Topic 7 — Rates of reaction and energy changes
Exothermic and endothermic reactions
Chemistry · Paper 2Start revising
VideoSC20Ready to revise
Fuels
Topic 8 — Fuels and Earth science
Hydrocarbons, crude oil and combustion
Chemistry · Paper 2Start revising
VideoSC21Ready to revise
Earth and atmospheric science
Topic 8 — Fuels and Earth science
The atmosphere, climate and resources
Chemistry · Paper 2Start revising
VideoSC22Ready to revise
Hydrocarbons
Topic 9 — Separate chemistry 2
Alkanes, alkenes, addition reactions and ethanol production
Chemistry · Paper 2Start revising
VideoSC23Ready to revise
Alcohols and carboxylic acids
Topic 9 — Separate chemistry 2
Organic functional groups, alcohol combustion and carboxylic-acid reactions
Chemistry · Paper 2Start revising
VideoSC24Ready to revise
Polymers
Topic 9 — Separate chemistry 2
Addition and condensation polymers, structures, uses and disposal
Chemistry · Paper 2Start revising
VideoSC25Ready to revise
Qualitative analysis: tests for ions
Topic 9 — Separate chemistry 2
Flame tests, precipitates, gas tests and instrumental analysis
Chemistry · Paper 2Start revising
VideoSC26Ready to revise
Bulk and surface properties of matter including nanoparticles
Topic 9 — Separate chemistry 2
Choosing ceramics, polymers, composites and metals; nanoparticle uses and risks
Chemistry · Paper 2Start revising
VideoTopic 1 — Key concepts in chemistry
Topic 2 — States of matter and mixtures
Revision chapters
Topic 3 — Chemical changes
Revision chapters
Topic 4 — Extracting metals and equilibria
Revision chapters
Topic 6 — Groups in the periodic table
Revision chapters
Topic 7 — Rates of reaction and energy changes
Revision chapters
Topic 8 — Fuels and Earth science
Revision chapters
Topic 1 — Key concepts in chemistry
Topic 2 — States of matter and mixtures
Revision chapters
Topic 3 — Chemical changes
Revision chapters
Topic 4 — Extracting metals and equilibria
Revision chapters
Topic 5 — Separate chemistry 1
Topic 6 — Groups in the periodic table
Revision chapters
Topic 7 — Rates of reaction and energy changes
Revision chapters
Topic 8 — Fuels and Earth science
Revision chapters
Topic 9 — Separate chemistry 2
Core practicals
CPR1Core practical
Separating inks: chromatography and distillation
Topic 2 — States of matter and mixtures
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 1Start revising
CPR2Core practical
pH change during neutralisation
Topic 3 — Chemical changes
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 1Start revising
CPR3Core practical
Making hydrated copper sulfate crystals
Topic 3 — Chemical changes
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 1Start revising
CPR4Core practical
Copper sulfate electrolysis
Topic 3 — Chemical changes
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 1Start revising
CPR5Core practical · Triple only
Accurate acid–alkali titration
Topic 5 — Separate chemistry 1
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 1Start revising
CPR6Core practical
Rates: gas production and disappearing cross
Topic 7 — Rates of reaction and energy changes
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 2Start revising
CPR7Core practical · Triple only
Identifying ions in unknown salts
Topic 9 — Separate chemistry 2
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 2Start revising
CPR8Core practical · Triple only
Comparing alcohol combustion
Topic 9 — Separate chemistry 2
Method, diagrams, evaluation and 30 questions
Chemistry · Paper 2Start revising
Physics
ResourcesRevision units
CP1Ready to revise
Motion
Topic 2 — Motion and forces
Speed, velocity, acceleration and motion graphs
Physics · Paper 1Start revising
VideoCP2Ready to revise
Forces and motion
Topic 2 — Motion and forces
Newton’s laws, momentum and stopping distances
Physics · Paper 1Start revising
VideoCP3Ready to revise
Conservation of energy
Topic 3 — Conservation of energy
Energy stores, transfers and efficiency
Physics · Paper 1Start revising
VideoCP4Ready to revise
Waves
Topic 4 — Waves
Wave properties, wave speed and refraction
Physics · Paper 1Start revising
VideoCP5Ready to revise
Light and the electromagnetic spectrum
Topic 5 — Light and the electromagnetic spectrum
Electromagnetic waves, uses and hazards
Physics · Paper 1Start revising
VideoCP6Ready to revise
Radioactivity
Topic 6 — Radioactivity
Radiation, nuclear decay and half-life
Physics · Paper 1Start revising
VideoCP7Ready to revise
Energy — forces doing work
Topic 8 — Energy - Forces doing work
Work done, power and energy transfers
Physics · Paper 2Start revising
VideoCP8Ready to revise
Forces and their effects
Topic 9 — Forces and their effects
Resultant forces and interactions
Physics · Paper 2Start revising
VideoCP9Ready to revise
Electricity and circuits
Topic 10 — Electricity and circuits
Current, potential difference and resistance
Physics · Paper 2Start revising
VideoCP10Ready to revise
Magnetism and the motor effect
Topic 12 — Magnetism and the motor effect
Magnetic fields and forces on currents
Physics · Paper 2Start revising
VideoCP11Ready to revise
Electromagnetic induction
Topic 13 — Electromagnetic induction
Induced voltage and transformers
Physics · Paper 2Start revising
VideoCP12Ready to revise
Particle model
Topic 14 — Particle model
Density, temperature and changes of state
Physics · Paper 2Start revising
VideoCP13Ready to revise
Forces and matter
Topic 15 — Forces and matter
Springs, extension and elastic energy
Physics · Paper 2Start revising
VideoSP1Ready to revise
Motion
Topic 2 — Motion and forces
Speed, velocity, acceleration and motion graphs
Physics · Paper 1Start revising
VideoSP2Ready to revise
Motion and forces
Topic 2 — Motion and forces
Newton’s laws, momentum and stopping distances
Physics · Paper 1Start revising
VideoSP3Ready to revise
Conservation of energy
Topic 3 — Conservation of energy
Energy stores, transfers and efficiency
Physics · Paper 1Start revising
VideoSP4Ready to revise
Waves
Topic 4 — Waves
Wave properties, wave speed and refraction
Physics · Paper 1Start revising
VideoSP5Ready to revise
Light and the electromagnetic spectrum
Topic 5 — Light and the electromagnetic spectrum
Electromagnetic waves, uses and hazards
Physics · Paper 1Start revising
VideoSP6Ready to revise
Radioactivity
Topic 6 — Radioactivity
Radiation, nuclear decay and half-life
Physics · Paper 1Start revising
VideoSP7Ready to revise
Astronomy
Topic 7 — Astronomy
The Solar System, orbits, stellar evolution and evidence for the Big Bang
Physics · Paper 1Start revising
VideoSP8Ready to revise
Energy — forces doing work
Topic 8 — Energy - Forces doing work
Work done, power and energy transfers
Physics · Paper 2Start revising
VideoSP9Ready to revise
Forces and their effects
Topic 9 — Forces and their effects
Resultant forces and interactions
Physics · Paper 2Start revising
VideoSP10Ready to revise
Electricity and circuits
Topic 10 — Electricity and circuits
Current, potential difference and resistance
Physics · Paper 2Start revising
VideoSP11Ready to revise
Static electricity
Topic 11 — Static electricity
Charging by friction, electrostatic forces, earthing and electric fields
Physics · Paper 2Start revising
VideoSP12Ready to revise
Magnetism and the motor effect
Topic 12 — Magnetism and the motor effect
Magnetic fields and forces on currents
Physics · Paper 2Start revising
VideoSP13Ready to revise
Electromagnetic induction
Topic 13 — Electromagnetic induction
Induced voltage and transformers
Physics · Paper 2Start revising
VideoSP14Ready to revise
Particle model
Topic 14 — Particle model
Density, temperature and changes of state
Physics · Paper 2Start revising
VideoSP15Ready to revise
Forces and matter
Topic 15 — Forces and matter
Springs, extension and elastic energy
Physics · Paper 2Start revising
VideoTopic 2 — Motion and forces
Revision chapters
Topic 3 — Conservation of energy
Revision chapters
Topic 4 — Waves
Revision chapters
Topic 5 — Light and the electromagnetic spectrum
Revision chapters
Topic 6 — Radioactivity
Revision chapters
Topic 8 — Energy - Forces doing work
Revision chapters
Topic 9 — Forces and their effects
Revision chapters
Topic 10 — Electricity and circuits
Revision chapters
Topic 12 — Magnetism and the motor effect
Revision chapters
Topic 13 — Electromagnetic induction
Revision chapters
Topic 14 — Particle model
Revision chapters
Topic 15 — Forces and matter
Revision chapters
Topic 2 — Motion and forces
Revision chapters
Topic 3 — Conservation of energy
Revision chapters
Topic 4 — Waves
Revision chapters
Topic 5 — Light and the electromagnetic spectrum
Revision chapters
Topic 6 — Radioactivity
Revision chapters
Topic 7 — Astronomy
Revision chapters
Topic 8 — Energy - Forces doing work
Revision chapters
Topic 9 — Forces and their effects
Revision chapters
Topic 10 — Electricity and circuits
Revision chapters
Topic 11 — Static electricity
Revision chapters
Topic 12 — Magnetism and the motor effect
Revision chapters
Topic 13 — Electromagnetic induction
Revision chapters
Topic 14 — Particle model
Revision chapters
Topic 15 — Forces and matter
Revision chapters
Core practicals
PPR1Core practical
Force, mass and acceleration
Topic 2 — Motion and forces
Method, diagrams, evaluation and 30 questions
Physics · Paper 1Start revising
PPR2Core practical
Wave speed in water and solids
Topic 4 — Waves
Method, diagrams, evaluation and 30 questions
Physics · Paper 1Start revising
PPR3Core practical
Refraction through a glass block
Topic 5 — Light and the electromagnetic spectrum
Method, diagrams, evaluation and 30 questions
Physics · Paper 1Start revising
PPR4Core practical · Triple only
Thermal radiation and surface colour
Topic 5 — Light and the electromagnetic spectrum
Method, diagrams, evaluation and 30 questions
Physics · Paper 1Start revising
PPR5Core practical
Resistance and series/parallel circuits
Topic 10 — Electricity and circuits
Method, diagrams, evaluation and 30 questions
Physics · Paper 2Start revising
PPR6Core practical
Density of solids and liquids
Topic 14 — Particle model
Method, diagrams, evaluation and 30 questions
Physics · Paper 2Start revising
PPR7Core practical
Specific heat capacity and melting ice
Topic 14 — Particle model
Method, diagrams, evaluation and 30 questions
Physics · Paper 2Start revising
PPR8Core practical
Spring extension and work done
Topic 15 — Forces and matter
Method, diagrams, evaluation and 30 questions
Physics · Paper 2Start revising
Which units belong to each paper?
We use Biology, Chemistry and Physics Paper 1 / Paper 2 names. Unit codes are textbook chapter labels, not official specification topic numbers.
| Course / subject | Paper 1 | Paper 2 |
|---|---|---|
| Edexcel Combined Science · Biology | CB1–CB5 | CB1, CB6–CB9 |
| Edexcel Separate Sciences · Biology | SB1–SB5 | SB1, SB6–SB9 |
| Edexcel Combined Science · Chemistry | CC1–CC12 | CC3–CC7, CC9, CC13–CC17 |
| Edexcel Separate Sciences · Chemistry | SC1–SC16 | SC3–SC7, SC9, SC17–SC26 |
| Edexcel Combined Science · Physics | CP1–CP6 | CP7–CP13 |
| Edexcel Separate Sciences · Physics | SP1–SP7 | SP8–SP15 |
Key concepts in biology and chemistry appear on both papers. Physics units and maths skills apply throughout.