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AQA GCSE Combined Science

AQA Combined Science: Trilogy (8464)24 topics208 lessons

AQA GCSE Combined Science revision for AQA Combined Science: Trilogy (8464): 24 topics and 208 short lessons, each with R.E.C.I.P.E. recall steps and a quiz. The topics follow the AQA specification.

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1. Cell biology

11 lessons

  1. Eukaryotes and prokaryotes
  2. Animal and plant cells
  3. Cell specialisation
  4. Cell differentiation
  5. Microscopy
  6. Chromosomes
  7. Mitosis and the cell cycle
  8. Stem cells
  9. Diffusion
  10. Osmosis
  11. Active transport

2. Organisation

9 lessons

  1. The human digestive system
  2. The heart and blood vessels
  3. Blood
  4. Coronary heart disease: a non-communicable disease
  5. Health issues
  6. The effect of lifestyle on some non-communicable diseases
  7. Cancer
  8. Plant tissues
  9. Plant organ system

3. Infection and response

9 lessons

  1. Communicable (infectious) diseases
  2. Viral diseases
  3. Bacterial diseases
  4. Fungal diseases
  5. Protist diseases
  6. Human defence systems
  7. Vaccination
  8. Antibiotics and painkillers
  9. Discovery and development of drugs

4. Bioenergetics

6 lessons

  1. Photosynthetic reaction
  2. Rate of photosynthesis
  3. Uses of glucose from photosynthesis
  4. Aerobic and anaerobic respiration
  5. Response to exercise
  6. Metabolism

5. Homeostasis and response

6 lessons

  1. Human endocrine system
  2. Control of blood glucose concentration
  3. Hormones in human reproduction
  4. Contraception
  5. The use of hormones to treat infertility
  6. Feedback systems

6. Inheritance, variation and evolution

14 lessons

  1. Sexual and asexual reproduction
  2. Meiosis
  3. DNA and the genome
  4. Genetic inheritance
  5. Inherited disorders
  6. Sex determination
  7. Variation
  8. Evolution
  9. Selective breeding
  10. Genetic engineering
  11. Evidence for evolution
  12. Fossils
  13. Extinction
  14. Resistant bacteria

7. Ecology

12 lessons

  1. Communities
  2. Abiotic factors
  3. Biotic factors
  4. Adaptations
  5. Levels of organisation
  6. How materials are cycled
  7. Biodiversity
  8. Waste management
  9. Land use
  10. Deforestation
  11. Global warming
  12. Maintaining biodiversity

8. Atomic structure and the periodic table

13 lessons

  1. Atoms, elements and compounds
  2. Mixtures
  3. The development of the model of the atom (common content with physics)
  4. Relative electrical charges of subatomic particles
  5. Size and mass of atoms
  6. Relative atomic mass
  7. Electronic structure
  8. The periodic table
  9. Development of the periodic table
  10. Metals and non-metals
  11. Group 0
  12. Group 1
  13. Group 7

9. Bonding, structure, and the properties of matter

16 lessons

  1. Chemical bonds
  2. Ionic bonding
  3. Ionic compounds
  4. Covalent bonding
  5. Metallic bonding
  6. The three states of matter
  7. State symbols
  8. Properties of ionic compounds
  9. Properties of small molecules
  10. Polymers
  11. Giant covalent structures
  12. Properties of metals and alloys
  13. Metals as conductors
  14. Diamond
  15. Graphite
  16. Graphene and fullerenes

10. Quantitative chemistry

9 lessons

  1. Conservation of mass and balanced chemical equations
  2. Relative formula mass
  3. Mass changes when a reactant or product is a gas
  4. Chemical measurements
  5. Moles (HT only)
  6. Amounts of substances in equations (HT only)
  7. Using moles to balance equations (HT only)
  8. Limiting reactants (HT only)
  9. Concentration of solutions

11. Chemical changes

14 lessons

  1. Metal oxides
  2. The reactivity series
  3. Extraction of metals and reduction
  4. Oxidation and reduction in terms of electrons (HT only)
  5. Reactions of acids with metals
  6. Neutralisation of acids and salt production
  7. Soluble salts
  8. The pH scale and neutralisation
  9. Strong and weak acids (HT only)
  10. The process of electrolysis
  11. Electrolysis of molten ionic compounds
  12. Using electrolysis to extract metals
  13. Electrolysis of aqueous solutions
  14. Representation of reactions at electrodes as half equations (HT only)

12. Energy changes

3 lessons

  1. Energy transfer during exothermic and endothermic reactions
  2. Reaction profiles
  3. The energy change of reactions (HT only)

13. The rate and extent of chemical change

11 lessons

  1. Calculating rates of reactions
  2. Factors which affect the rates of chemical reactions
  3. Collision theory and activation energy
  4. Catalysts
  5. Reversible reactions
  6. Energy changes and reversible reactions
  7. Equilibrium
  8. The effect of changing conditions on equilibrium (HT only)
  9. The effect of changing concentration (HT only)
  10. The effect of temperature changes on equilibrium (HT only)
  11. The effect of pressure changes on equilibrium (HT only)

14. Organic chemistry

4 lessons

  1. Crude oil, hydrocarbons and alkanes
  2. Fractional distillation and petrochemicals
  3. Properties of hydrocarbons
  4. Cracking and alkenes

15. Chemical analysis

7 lessons

  1. Pure substances
  2. Formulations
  3. Chromatography
  4. Test for hydrogen
  5. Test for oxygen
  6. Test for carbon dioxide
  7. Test for chlorine

16. Chemistry of the atmosphere

10 lessons

  1. The proportions of different gases in the atmosphere
  2. The Earth's early atmosphere
  3. How oxygen increased
  4. How carbon dioxide decreased
  5. Greenhouse gases
  6. Human activities which contribute to an increase in greenhouse gases in the atmosphere
  7. Global climate change
  8. The carbon footprint and its reduction
  9. Atmospheric pollutants from fuels
  10. Properties and effects of atmospheric pollutants

17. Using resources

6 lessons

  1. Using the Earth's resources and sustainable development
  2. Potable water
  3. Waste water treatment
  4. Alternative methods of extracting metals (HT only)
  5. Life cycle assessment
  6. Ways of reducing the use of resources

18. Energy

6 lessons

  1. Energy stores and systems
  2. Changes in energy
  3. Energy changes in systems
  4. Power
  5. Energy transfers in a system
  6. Efficiency

19. Electricity

9 lessons

  1. Standard circuit diagram symbols
  2. Electrical charge and current
  3. Current, resistance and potential difference
  4. Resistors
  5. Direct and alternating potential difference
  6. Mains electricity
  7. Power
  8. Energy transfers in everyday appliances
  9. The National Grid

20. Particle model of matter

6 lessons

  1. Density of materials
  2. Changes of state
  3. Internal energy
  4. Temperature changes in a system and specific heat capacity
  5. Changes of state and specific latent heat
  6. Particle motion in gases

21. Atomic structure

7 lessons

  1. The structure of an atom
  2. Mass number, atomic number and isotopes
  3. The development of the model of the atom (common content with chemistry)
  4. Radioactive decay and nuclear radiation
  5. Nuclear equations
  6. Half-lives and the random nature of radioactive decay
  7. Radioactive contamination

22. Forces

9 lessons

  1. Scalar and vector quantities
  2. Contact and non-contact forces
  3. Gravity
  4. Resultant forces
  5. Describing motion along a line
  6. Forces, accelerations and Newton's Laws of motion
  7. Forces and braking
  8. Momentum is a property of moving objects
  9. Conservation of momentum

23. Waves

6 lessons

  1. Transverse and longitudinal waves
  2. Properties of waves
  3. Types of electromagnetic waves
  4. Properties of electromagnetic waves 1
  5. Properties of electromagnetic waves 2
  6. Uses and applications of electromagnetic waves

24. Magnetism and electromagnetism

5 lessons

  1. Poles of a magnet
  2. Magnetic fields
  3. Electromagnetism
  4. Fleming's left-hand rule (HT only)
  5. Electric motors (HT only)