Combined Science – Higher Tier
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Chemistry Paper One
Chemistry - Paper One - Mastery Questions
Chemistry - Paper One - Knowledge Organisers
Topic 1 – Atomic Structure and the Periodic Table
Revision Document:
Topic Overview:
Minor Focus:
- 1.1.1 Atoms, elements and compounds
- 1.1.2 Mixtures
- 1.1.3 The development of the model of the atom (common content with physics)
- 1.1.4 Relative electrical charges of subatomic particles
- 1.1.5 Size and mass of atoms
- 1.1.6 Relative atomic mass
- 1.1.7 Electronic structure
- 1.2.1 The periodic table
- 1.2.2 Development of the periodic table
- 1.2.3 Metals and non-metals
- 1.2.4 Group 0
- 1.2.5 Group 1
- 1.2.6 Group 7
Topic 2 – Bonding, Structure and the Properties of Matter
Revision Document:
Topic Overview
Major Focus:
- 2.2.1 The three states of matter
- 2.2.2 State symbols
- 2.2.3 Properties of ionic compounds
- 2.2.4 Properties of small molecules
- 2.2.5 Polymers
- 2.2.6 Giant covalent structures
- 2.2.7 Properties of metals and alloys
- 2.2.8 Metals as conductors
Minor Focus:
- 2.1.1 Chemical bonds
- 2.1.2 Ionic bonding
- 2.1.3 Ionic compounds
- 2.1.4 Covalent bonding
- 2.1.5 Metallic bonding
- 2.3.1 Diamond
- 2.3.2 Graphite
- 2.3.3 Graphene and fullerenes
Topic 3 – Quantitative Chemistry
Revision Document:
Topic Overview:
Major Focus:
- 3.2.1 Moles (HT only)
- 3.2.2 Amounts of substances in equations (HT only)
- 3.2.3 Using moles to balance equations (HT only)
- 3.2.4 Limiting reactants (HT only)
- 3.2.5 Concentration of solutions
Minor Focus:
- 3.1.1 Conservation of mass and balanced chemical equations
- 3.1.2 Relative formula mass
- 3.1.3 Mass changes when a reactant or product is a gas
- 3.1.4 Chemical measurements
Topic 4 – Chemical Changes
Revision Document:
Topic Overview:
Major Focus:
- 4.1.1 Metal oxides
- 4.1.2 The reactivity series
- 4.1.3 Extraction of metals and reduction
- 4.1.4 Oxidation and reduction in terms of electrons (HT only)
- 4.2.1 Reactions of acids with metals
- 4.2.2 Neutralisation of acids and salt production
- 4.2.3 Soluble salts
- 4.2.4 The pH scale and neutralisation
- 4.2.5 Strong and weak acids (HT only)
- 4.3.1 The process of electrolysis
- 4.3.2 Electrolysis of molten ionic compounds
- 4.3.3 Using electrolysis to extract metals
- 4.3.4 Electrolysis of aqueous solutions
- 4.3.5 Representation of reactions at electrodes as half equations (HT only)
Topic 5 – Energy Changes
Revision Document:
Topic Overview:
Minor Focus:
- 5.1.1 Energy transfer during exothermic and endothermic reactions
- 5.1.2 Reaction profiles
- 5.1.3 The energy change of reactions (HT only)
Chemistry Paper Two
Chemistry - Paper Two - Mastery Questions
Topic 6 – The Rate and Extent of Chemical Change
Revision Document:
Topic Overview:
Major Focus:
- 6.1.1 Calculating rates of reactions
- 6.1.2 Factors which affect the rates of chemical reactions
- 6.1.3 Collision theory and activation energy
- 6.1.4 Catalysts
- 6.2.1 Reversible reactions
- 6.2.2 Energy changes and reversible reactions
- 6.2.3 Equilibrium
- 6.2.4 The effect of changing conditions on equilibrium (HT only)
- 6.2.5 The effect of changing concentration (HT only)
- 6.2.6 The effect of temperature changes on equilibrium (HT only)
- 6.2.7 The effect of pressure changes on equilibrium (HT only)
Topic 7 – Organic Chemistry
Revision Document:
Topic Overview:
Major Focus:
- 7.1.1 Crude oil, hydrocarbons and alkanes
- 7.1.2 Fractional distillation and petrochemicals
- 7.1.3 Properties of hydrocarbons
- 7.1.4 Cracking and alkenes
Topic 8 – Chemical Analysis
Revision Document:
Topic Overview:
Major Focus:
- 8.1.1 Pure substances
- 8.1.2 Formulations
- 8.1.3 Chromatography
Topic 9 – Chemistry of the Atmosphere
Revision Document:
Topic Overview:
Major Focus:
- 9.1.1 The proportions of different gases in the atmosphere
- 9.1.2 The Earth’s early atmosphere
- 9.1.3 How oxygen increased
- 9.1.4 How carbon dioxide decreased
Minor Focus:
- 9.2.1 Greenhouse gases
- 9.2.2 Human activities which contribute to an increase in greenhouse gases in the atmosphere
- 9.2.3 Global climate change
- 9.2.4 The carbon footprint and its reduction
- 9.3.1 Atmospheric pollutants from fuels
- 9.3.2 Properties and effects of atmospheric pollutants
Topic 10 – Using Resources
Revision Document:
Topic Overview:
Main Focus:
- 10.1.1 Using the Earth’s resources and sustainable development
- 10.1.2 Potable water
- 10.1.3 Waste water treatment
- 10.1.4 Alternative methods of extracting metals (HT only)
Minor Focus:
- 10.2.1 Life cycle assessment
- 10.2.2 Ways of reducing the use of resources
Biology Paper One
Biology - Paper One - Mastery Questions
Topic 1 - Cell Biology
Revision Document:
Topic Overview:
Major Focus:
- 1.2.1 Chromosomes
- 1.2.2 Mitosis and the cell cycle
- 1.2.3 Stem cells
Minor Focus:
- 1.1.1 Eukaryotes and prokaryotes
- 1.1.2 Animal and plant cells
- 1.1.3 Cell specialisation
- 1.1.4 Cell differentiation
Topic 2 – Organisation
Revision Document:
Topic Overview:
Major Focus:
- 2.2.1 The human digestive system
- 2.2.2 The heart and blood vessels
- 2.2.3 Blood
- 2.2.4 Coronary heart disease: a non-communicable disease
- 2.2.5 Health issues
- 2.2.6 The effect of lifestyle on some non-communicable diseases
- 2.2.7 Cancer
Topic 3 – Infection and Response
Revision Document:
Topic Overview:
Minor Focus:
- 3.1.1 Communicable (infectious) diseases
- 3.1.3 Bacterial diseases
- 3.1.7 Vaccination
- 3.1.8 Antibiotics and painkillers
- 3.1.9 Discovery and development of drugs
Topic 4 – Bioenergetics
Revision Document:
Topic Overview:
Major Focus:
- 4.1.1 Photosynthetic reaction
- 4.1.2 Rate of photosynthesis
Minor Focus:
- 4.2.1 Aerobic and anaerobic respiration
- 4.2.3 Metabolism
Biology Paper Two
Biology - Paper Two - Mastery Questions
Topic 5 – Homeostasis and Response
Revision Document:
Topic Overview:
Major Focus:
- 5.3.1 Human endocrine system
- 5.3.2 Control of blood glucose concentration
- 5.3.3 Hormones in human reproduction
- 5.3.5 The use of hormones to treat infertility
- 5.3.6 Negative feedback
Minor Focus:
- 5.1 Homeostasis
Topic 6 – Inheritance, Variation and Evolution
Revision Document:
Topic Overview:
Minor Focus:
- 6.1.2 Meiosis
- 6.4 Classification of living organisms
Topic 7 – Ecology
Revision Document:
Topic Overview:
Major Focus:
- 7.2.1 Levels of organisation
- 7.2.2 How materials are cycled
- 7.3 Biodiversity and the effect of human interaction on ecosystems
- 7.3.1 Biodiversity
- 7.3.2 Waste management
- 7.3.5 Global warming
- 7.3.6 Maintaining biodiversity
Minor Focus:
- 7.1.1 Communities
- 7.1.2 Abiotic factors
- 7.1.3 Biotic factors
Physics Paper One
Physics - Paper One - Mastery Questions
Physics - Paper One - Knowledge Organisers
Topic 1 – Energy
Revision Document:
Topic Overview:
Major Focus:
- 1.1.1 Energy stores and systems
- 1.1.2 Changes in energy
- 1.1.3 Energy changes in systems
- 1.1.4 Power
Minor Focus:
- 1.2.1 Energy transfers in a system
- 1.2.2 Efficiency
- 1.3 National and global energy resources
Topic 2 – Electricity
Revision Document:
Topic Overview:
Major Focus:
- 2.4.1 Power
- 2.4.2 Energy transfers in everyday appliances
- 2.4.3 The National Grid
Minor Focus:
- 2.1.1 Standard circuit diagram symbols
- 2.1.2 Electrical charge and current
- 2.1.3 Current, resistance and potential difference
- 2.1.4 Resistors
Topic 3 – Particle Model of Matter
Revision Document:
Topic Overview:
Major Focus:
- 3.1.1 Density of materials
- 3.1.2 Changes of state
- 3.3.1 Particle motion in gases
Topic 4 – Atomic Structure
Revision Document:
Topic Overview:
Major Focus:
- 4.1.1 The structure of an atom
- 4.1.2 Mass number, atomic number and isotopes
- 4.1.3 The development of the model of the atom (common content with chemistry)
- 4.2.1 Radioactive decay and nuclear radiation
- 4.2.2 Nuclear equations
- 4.2.3 Half-lives and the random nature of radioactive decay
- 4.2.4 Radioactive contamination
Physics Paper Two
Physics - Paper Two - Mastery Questions
Physics - Paper Two - Knowledge Organisers
Topic 5 – Forces
Revision Document:
Topic Overview:
Major Focus:
- 5.1.1 Scalar and vector quantities
- 5.1.2 Contact and non-contact forces
- 5.1.3 Gravity
- 5.1.4 Resultant forces
- 5.4.1 Describing motion along a line
- 5.4.1.1 Distance and displacement
- 5.4.1.2 Speed
- 5.4.1.3 Velocity
- 5.4.1.4 The distance–time relationship
- 5.4.1.5 Acceleration
- 5.4.2 Forces, accelerations and Newton’s Laws of motion
- 5.4.2.1 Newton’s First Law
- 5.4.2.2 Newton’s Second Law
- 5.4.2.3 Newton’s Third Law
- 5.5.1 Momentum is a property of moving objects (HT only)
- 5.5.2 Conservation of momentum (HT only)
Minor Focus:
- 5.2 Work done and energy transfer
Topic 6 – Waves
Revision Document:
Topic Overview:
Major Focus:
- 6.2.1 Types of electromagnetic waves
- 6.2.2 Properties of electromagnetic waves 1
- 6.2.3 Properties of electromagnetic waves 2
- 6.2.4 Uses and applications of electromagnetic waves
Minor Focus:
- 6.1.1 Transverse and longitudinal waves
- 6.1.2 Properties of waves
Topic 7 – Magnetism and Electromagnetism
Revision Document:
Topic Overview:
Major Focus:
- 7.2.1 Electromagnetism
- 7.2.2 Fleming’s left-hand rule (HT only)
- 7.2.3 Electric motors (HT only)
Chemistry Paper One

Topic 1
Revision Document:
Topic Overview:
- Acids and bases
- Covalent bonding
- Ionic vs Covalent bonding
- Small covalent molecules
Topic 2
Revision Document:
Topic Overview:
- Atomic structure and the Periodic Table,
- Group 1 reactions in oxygen and chlorine,
- Reactivity of Group 1 and 2 metals and the Noble gases (group 0)
Topic 3
Revision Document:
Topic Overview:
- Calculating Relative Formula Mass (RFM) and % element in a compound.
- Calculating the number of moles and the no. of particles using Avogrado’s number.
- Calculations involving concentrations (use of c = m/v)
Topic 4
Revision Document:
Topic Overview:
- Reaction profile diagrams and calculating energy changes.
- Variables and planning investigations
Topic 5
Revision Document:
Topic Overview:
- Required Practical, Making a soluble salt (copper sulphate)

Electrolysis 1









