Powerpoint (37 slides) containing in-depth notes on: functions and properties of ingredients; methods of making; structures.

A couple of slides explaining food chains and pyramids (transfer of energy and biomass), decay, diagram of carbon cycle. Designed for B10+11 of the AQA GCSE Biology Dual Award specification.

Short powerpoints covering types of adaptation, environmental change factors, obtaining data on ecology, natural selection, classification, extinction, speciation. Designed for B8+9 of the AQA GCSE Biology Dual Award specification.

5 slide powerpoint containing: flame tests, tests for cations and anions, separating mixtures, chromatography, tests for oxygen co2 hydrogen and water). Designed for C11 of the GCSE AQA Chemistry Dual Award specification.

7-slide powerpoint on electrolysis (reduction vs oxidation, half equations, and examples of electrolysis: lead bromide, brine, electroplating). Designed for the GCSE AQA Dual Award Chemistry specification.

8 page powerpoint detailing white blood cells, vaccinations, drugs used against pathogens, antibiotic resistance, safety when growing microbes. Designed for section B5 of the AQA GCSE Biology Dual Award specification.

20-slide powerpoint covering topic B4 on the AQA GCSE Biology Dual Award specification. Covers: breathing, respiration, digestion, homeostasis (nervous system, temperature control, endocrine system).

7-slide powerpoint on acids, bases and salts (what causes acidity/alkalinity, salt reactions, making soluble and insoluble salts, ammonia, limewater test, crystallisation, carbonates). Designed for C4 of the AQA GCSE Chemistry Dual Award specification.

7-slide powerpoint outlining: the nature of these substances, tests for the presence of glucose, starch, protein and lipids, and how enzymes work. For section B3 on the AQA GCSE Biology Dual Award specification.

19 slide powerpoint on cell activity (B1 on the specification of the AQA Dual Award Biology GCSE). Covers: cell structure, movement of substances in/out of cells, cell division. 4 slide powerpoint on cells-tissues-organs-organ system categories (B2).

14 slide powerpoint on variation and inheritance (reproduction, Mendel, DNA, genetic crosses, genetic disorders, methods of cloning, genetic engineering). Designed for B7 of the AQA Dual Award GCSE Biology specification.

7 slide powerpoint on plants (photosynthesis process and uses of its products, limiting factors, tropisms), covering section B6 on the AQA GCSE Dual Award Biology specification.

Grammar powerpoint covering tenses (present, preterite, imperfect, compound tenses, near-future, future, conditional, gerund, present subjunctive, imperfect subjunctive), si clauses, the direct object, por and para. Level: advanced GCSE or basic AS/A-Level.

6 slide powerpoint on air (composition, fractional distillation, reactions) and water (treatment and filtering, desalination, chlorination, fluoridation, rusting). Designed for C3 of the the AQA GCSE Chemistry Dual Award specification.

8-slide powerpoint on structure and bonding (compounds, ionic bonding, simple molecules, covalent bonding, covalent structures, fullerenes, metallic bonding). Designed for the AQA GCSE Chemistry Dual Award specification.

9-slide powerpoint on metals (the reactivity series, extraction of aluminium, reduction of iron by carbon, extraction of metal from ore, methods of copper extraction, types of iron, alloys, shape memory alloys). Designed for C5 of the AQA GCSE Chemistry Dual Award specification.

28-slide powerpoint on the GCSE Russia topic (Tsarism, Provisional Government, Bolshevik takeover, civil war, Lenin and the new economic policy, Stalin, collectivisation, industrialisation). Content focused on why, what, effects.

13 page powerpoint on nuclear physics (covers: plum pudding model, atomic structure, radioactive decay, types of radiation, uses and dangers, decay equations, nuclear fission, star life cycle, nuclear fusion). Designed to cover P5 of the AQA GCSE Dual Award Physics specification.