AC and DC, types of batteries, basic circuits, battery capacity, induction, generators, LDRs and thermistors, calculating resistance, V-I graphs for resistor, bulb and thermistor, electrical inventions, superconductivity.

Renewable sources of energy and their advantages and disadvantages, future energy sources, electric motors, power calculations, cost of electricity, efficiency, house insulation, plugs, earth wires, circuit breakers.

Waves, transverse and longitudinal, the electromagnetic spectrum, dangers of different waves, using wave technology, scanning by absorption, emission and reflection, ultrasound, analogue vs digital, uses of digital technology, refraction, critical angle, optical fibres, wave speed calculations, earthquakes, P waves and S waves.

Slides: 24 Size: 1.4Mb Last modified: 30/8/06

The solar system, stars, galaxies and the universe, weightlessness, mass and weight, gravitational field strength, free fall, conditions in space, artificial gravity, forces in spacecraft, black holes, benefits of space exploration, conditions for life, SETI, theories of the universe, red shift, the life cycle of a star.

Slides: 50 Size: 4.2Mb Last modified: 1/9/06

Distance, speed, time, acceleration and their graphs, balanced and unbalanced forces, air resistance, terminal velocity, stopping a car, momentum.

Slides: 23 Size: 1.6Mb Last modified: 25/8/2007

Gravitational potential energy, kinetic energy, electrical energy, wind and hydroelectric power, work done, work and power, centripetal force, roller coasters, relativity.

Slides: 19 Size:500Kb Last modified: 25/8/07

The structure of the atom, isotopes, radioactivity, half life, dating materials using half life, ionisation, blocking radiation, uses of radioactivity, dangers of radioactivity, background radiation, protecting the Earth from radiation.

Slides: 19 Size:100Kb Last modified: 31/8/07

Energy-mass equivalence, nuclear fission, chain reactions, nuclear power stations, disposing of radioactive waste, atomic bombs, nuclear fusion in stars, static electricity and its dangers, Van de Graaf generators.

Slides: 14 Size:400Kb Last modified: 31/8/07

The atom and its structure, elements, compunds, chemical reactions, balancing equations, exothermic vs endothermic, the periodic table and how it was formulated, alkali metals, transition metals, noble gases, halogens, displacement reactions of halogens, flame tests, naming compounds.

Slides: 34 Size: 2.7Mb Last modified:29/8/2006

Metal ores, oxidation and reduction, making salts, uses of salts, hazard labels, thermal decomposition, collecting gases from reactions, testing for gases, common compounds.

Slides: 27 Size: 200Kb Last modified: 29/8/2006

The atmosphere and how it was formed, global warming, the greenhouse effect, crude oil and its fractions, fractional distillation of oil and air, combustion of fossil fuels, alternatives to fossil fuels, recycling, electrolysis of sodium chloride solution.

Slides: 15 Size: 500Kb Last modified: 29/8/2006

Smart materials, designer materials, how these materials work, designing new products, nanotechnology, intelligent packaging, fermentation, the effects of alcohol, emulsions and emulsifiers.

Slides: 12 Size:500Kb Last modified: 6/5/07

Balancing equations, alkanes and alkenes, making ethanol, monomers and polymers, cracking, structure and properties of plastics, crude oil, hydrocarbons, saturated fats, atomic mass, formula mass, empirical formula, calculating the mass of a product, atom economy, percentage yield.

Slides: 33 Size: 200Kb Last modified: 25/8/2007

The structure of the atom, mass number, isotopes, electron structure, the periodic table, bonding, electrolysis, properties of metals.

Slides: 27 Size:500Kb Last modified: 25/8/07

Compounds, covalent bonding, dot and cross diagrams, the halogens, forms of carbon, metals, nanoscience, modelling atoms, homeopathy.

Slides: 23 Size:1.4Mb Last modified: 31/8/07

What affects the rate of reaction, graphs of rates, catalysts, enzymes, proteins, endothermic and exothermic reactions, energy level diagrams, reversible reactions, making ammonia, the Haber Process, different fertilsers, balancing ions.

Slides: 21 Size:600Kb Last modified: 31/8/07

Environment

Food chains, pyramids of biomass, efficiency of chains, competition, predator-prey cycles, changing species, selectiove breeding, genetic engineering, farming methods, evolution, natural selection, classification.

Slides: 28 Size: 6.4Mb Last modified: 25/8/2006

Chrmosomes, genes, DNA, the Human Genome Project, gene therapy, sexual reproduction, clones, variation, alleles, inherited diseases, genetic variation, monohybrid inheritance.

Slides: 21 Size: 2.7Mb Last modified: 28/8/2006

The nervous system, the brain, neurones, synapses, voluntary and reflex responses, the eye, blood and its components, hormones, the menstrual cycle, fertility, IVF, diabetes, producing insulin.

Slides: 26 Size: 1.5Mb Last modified: 28/8/2006

Drug abuse, solvents, alcohol and tobacco, the effects of drugs, pathogens and disease, how diseases are transmitted, keeping microbes out, blood clotting, white blood cells, tuberculosis, new medecines.

Slides: 17 Size: 500Kb Last modified: 28/8/2006

Genes, chromosomes, DNA, making proteins, genetic engineering, fermenters, micro organisms, aerobic and anaerobic respiration, diet.

Slides: 13 Size: 1.6Mb Last modified: 25/8/2007

Mitosis and meoisis, cell growth, environmental variation, plant hormones, performance-enhancing drugs, animal regeneration, stem cell research, the Hayflick Limit, cloning animals, selective breeding, gene therapy, abortion, designer babies.

Slides: 21 Size:2.5Mb Last modified: 25/8/07

Biospheres, typical plant and animal cells, photosynthesis, leaf structure, photosynthesis equations, limiting factors, active transport, the carbon cycle, the nitrogen cycle, eutrophication, the Greenhouse Effect, food production.

Slides: 20 Size:4.6Mb Last modified: 31/8/07

Competition, predators and prey, adaptation, extreme environments, pollution, population, carbon dioxide emissions, global temperatures, pollution indicators, conservation, ozone.

Slides: 19 Size:2Mb Last modified: 31/8/07