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BIOLOGY 1 |
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| DIET & EXERCISE nutrients in food and balanced diets (Approx 15 mins) |
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| INFECTIOUS DISEASE 1 Defence against Disease and Vaccination (Approx 12 mins) |
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| INFECTIOUS DISEASE 2 MMR vaccine and Ignaz Semmelweis (Approx 10 mins) |
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| INFECTIOUS DISEASE VIDEO 3 Antibiotics and Antibiotic Resistance (H) (Approx 12 mins) |
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| INFECTIOUS DISEASES 4 Culturing Microorganisms (Approx 15 mins) |
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| THE NERVOUS SYSTEM Main parts & function of the nervous system inc. reflexes (Approx 15 mins) |
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| CONTROL IN HUMANS How conditions are kept constant in the body (Approx 12 mins) |
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| HORMONES & THE MENSTRUAL CYCLE Menstrual cycle hormones (Approx 15 mins) |
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| HORMONES IN FERTILITY Use of hormones for controlling pregnancy & IVF (Approx 10 mins) |
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| CONTROL IN PLANTS Function of Auxin in plants - both root and shoots (Approx 11 mins) |
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| ADAPTATIONS Competition and adaptation in plants and animals (Approx 15 mins) |
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| ENVIRONMENTAL CHANGE Factors affecting distribution of living things (Approx 12 mins) |
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| ENERGY IN BIOMASS Energy in food chains & pyramids of biomass (Approx 9 minutes) |
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| DECAY The process of decay and why it is so important (Approx 9 minutes) |
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| THE CARBON CYCLE The carbon cycle and why its important (Approx 13 minutes) |
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| GENETIC VARIATION Why living things differ from each other (Approx 10 mins) |
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| REPRODUCTION Sexual vs asexual reproduction (Approx 8 mins) |
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| CLONING TECHNIQUES Tissue culture, embryo transplants and adult cell fusion (Approx 9 minutes) |
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| GENETIC ENGINEERING How genes are transferred and GM crops (Approx 9 mins) |
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| EVOLUTION Darwin's theory of evolution by natural selection NEW! (Approx 11 mins) |
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| EVOLUTION Darwin vs Lamarck NEW! (Approx 5 mins) |
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| CHEMISTRY 1 | |
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| ATOMIC STRUCTURE Labelling, identifying and drawing atoms (Approx 16 mins) |
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| IONIC BONDING How ionic bonding works (Approx 12 mins) |
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| COVALENT BONDING Explanation of covalent bonding (Approx 7 mins) |
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| BALANCING EQUATIONS How to write & balance symbol equations (H) (Approx 19 mins) |
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| LIMESTONE AND BUILDING MATERIALS Including limestone cycle equations (Approx 18 mins) |
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| EXTRACTING METALS How metals are extracted from their ores (Approx 16 mins) |
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| EXTRACTION OF COPPER Inc. phytomining and bioleaching NEW! (Approx 8 mins) |
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| CRUDE OIL 1 The different fractions in crude oil and their properties (Approx 17 mins) |
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| CRUDE OIL 2 A description of the alkanes (Approx 11 mins) |
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| CRACKING HYDROCARBONS cracking & test for unsaturated hydrocarbons (Approx 16 mins) |
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| POLYMERS Monomers, polymers and polymerisation. (Approx 16 mins) |
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| ETHANOL A description of how ethanol is produced (Approx 8 mins) |
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| EMULSIONS How emulsions are made and why they are useful (H) (Approx 11 mins) |
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| SATURATED AND UNSATURATED OILS Similarities and differences (H) (Approx 10 mins) |
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| EARTH AND ATMOSPHERE Structure of the earth and plate tectonics (Approx 12 mins) |
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| EARTH AND ATMOSPHERE How the atmosphere changed over time (Approx 8 mins) |
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| EARTH & ATMOSPHERE The Miller-Urey Experiment (H) NEW! (Approx 6 mins) |
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| EARTH & ATMOSPHERE Fractional Distillation of air (H) NEW! (Approx 9 mins) |
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| PHYSICS 1 | |||
| FORMULA SHEET This sheet is provided in the exam |
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| INFRARED RADIATION Heat transfer by infrared, emission and absorption (Approx 12 minutes) |
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| KINETIC THEORY Particle behaviour in solids, liquids and gasses (Approx 9 minutes) |
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| CONDUCTION Heat transfer by conduction, linked to kinetic theory (Approx 10 minutes) |
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| CONVECTION An explanation of how convection works in gases and liquids (Approx 10 mins) |
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| EVAPORATION AND CONDENSATION Factors affecting rate of evaporation (Approx 7 mins) |
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| ENERGY TRANSFER Factors affecting heat loss NEW! (Approx 9 mins) |
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| ENERGY TRANSFER Using U values (Approx 3 mins) |
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| ENERGY TRANSFER Specific heat capacity and energy transfer calculation (Approx 9 mins) |
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| ENERGY TRANSFER Calculating efficiency (Approx 7 mins) |
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| ENERGY TRANSFERS Payback times (Approx 6 mins) |
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| GENERATING ELECTRICITY 1 Fuels used & methods to generate electricity (Approx 7 mins) |
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| GENERATING ELECTRICITY 2 Alternative energy sources, pros & cons (Approx 14 mins) |
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| GENERATING ELECTRICITY 3 Pumped storage & high demand for energy (Approx 5 mins) |
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| GENERATING ELECTRICITY 4 The National Grid & distribution of electricity (Approx 8 mins) |
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| WAVES Transverse & longitudinal waves, calculating wave velocity (Approx 14 mins) |
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| ELECTROMAGNETIC SPECTRUM Granny helps with her X Box (Approx 14 mins) |
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| WAVES Reflection of light & construction of ray diagrams NEW! (Approx 9 mins) |
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| WAVES Refraction & what causes waves to change direction NEW! (Approx 5 mins) |
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| WAVES Diffraction and the causes of the spreading of waves NEW! (Approx 5 mins) |
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| SOUND The link between amplitude & volume, frequency & pitch NEW! (Approx 8 mins) |
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| RED SHIFT The Doppler Effect and how red-shift and CMBR is linked to the big bang (Approx 10 mins) |
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