GCSE Webpages
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BIOLOGY
1. Human Body
a. Defending against infection
Pathogens: viruses,
Pathogens: bacteria,
White blood cells,
Vaccination,
Antibiotics,
b. Diet and exercise
Nutrients,
Metabolic rate,
Right amount of food,
Cholesterol,
Salt,
c. Drugs and health
Drugs and drug testing,
Thalidomide,
Tobacco,
Alcohol,
Legal and illegal drugs,
d. Hormones
Hormones,
Control of internal conditions,
Hormones in the menstrual cycle,
Controlling fertility,
Benefits and problems of controlling fertility,
e. The nervous system
Receptors,
Neurones,
Reflex actions,
2. Evolution and the environment
a. Evolution
Charles Darwin,
Darwin's theory of evolution,
Evidence for evolution: fossils,
Evidence for evolution: rapid changes,
Extinction,
b. Humans and the environment
Human population,
Waste,
Air pollution,
Deforestation,
Greenhouse gases,
Sustainable development,
c. Organisms in their environment
Ecological words,
Adaptations: cold climates,
Adaptations: hot climates,
Competition,
d. Reproduction and cloning
Genetic information ,
Sexual reproduction,
Asexual reproduction,
Cloning methods in plants,
Cloning methods in animals,
Genetic engineering,
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CHEMISTRY
1. Products from rocks
a. Atoms and atomic structure
Early ideas about atoms,
Atoms and elements,
The periodic table,
Reactions and compounds,
Chemical formulae,
Equations,
b. Fuels from crude oil
Hydrocarbons and alkanes,
Distillation,
Fractional distillation,
Combustion of fuel,
Sulphur dioxide,
Global warming,
Global dimming,
c. Limestone
Thermal decomposition,
Quicklime and slaked lime,
Use of limestone,
Environmental, social and economic considerations,
d. Metals
Methods of extracting metals,
Making iron,
Steel,
Alloys,
The transition metals,
Copper,
Aluminium and titanium,
2. Oils, Earth and Atmosphere
a. Changes to the Earth and its atmosphere
The structure of the earth,
Plate tectonics,
Evidence for plate tectonics,
Composition of the Earth's atmosphere,
Oxygen in the air,
Nobel gases,
Evolution of the atmosphere,
b. Plant oils and food additives
Vegetable oils,
Hardening vegetable oils,
Vegetable oils in food, fuel and emulsions; trans fats,
Food additives,
c. Polymers and ethanol from oil
Cracking,
Alkenes,
Ethanol,
Ethanol from non renewable or renewable resources,
Polymers,
Smart materials,
Problems with polymers,
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PHYSICS
1. Energy and Electricity
a. Generating electricity
Fossil fuels,
Nuclear energy,
Wind energy,
Water energy,
Geothermal energy,
Solar energy,
Resources compared,
b. Heat transfer and efficiency
Heat transfer by conduction and convection,
Heat transfer by radiation ,
Reducing heat loss,
Forms of energy ,
Energy transfer,
Efficiency,
c. Using electricity
The National Grid,
The cost of using electricity,
2. Radiation and the Universe
a. An introduction to waves
What are waves?,
Amplitude, wavelength and frequency,
Wave speed,
b. Origins of the Universe
The Big Bang,
Evidence of the Big Bang,
Telescopes,
c. Radioactive substances
Atoms and isotopes,
Types of radiation,
Penetrating properties of radiation,
Deflecting radiation,
Detecting radiation,
Hazards of radiation,
Half life,
Using radiation,
d. Sending information
Optical fibres,
Recognising analogue and digital signals,
Analogue v digital,
e. The electromagnetic spectrum
What is a spectrum?
The electromagnetic spectrum,
Gamma radiation and X rays,
Ultraviolet radiation and infrared radiation,
Microwaves,
Radio waves,
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