IGCSE Science

1. 1

   Characteristics and classification of living organisms

   Characteristics of living organisms; classification systems; features of organisms

2. 2

   Organisation of the organism

   Cell structure; size of specimens

3. 3

   Movement into and out of cells

   Diffusion; osmosis; active transport

4. 4

   Biological molecules

   Carbohydrates, fats and proteins; food tests

5. 5

   Enzymes

   How enzymes work; temperature and pH

6. 6

   Plant nutrition

   Photosynthesis; leaf structure

7. 7

   Human nutrition

   Diet; the digestive system; physical and chemical digestion; absorption

8. 8

   Transport in plants

   Xylem and phloem; water uptake; transpiration; translocation (Extended)

9. 9

   Transport in animals

   Circulatory systems; the heart; blood vessels; blood

10. 10

    Diseases and immunity

    Pathogens; how diseases spread; the body's defences

11. 11

    Gas exchange in humans

    Lungs and breathing; gas exchange surfaces

12. 12

    Respiration

    Aerobic respiration; anaerobic respiration

13. 13

    Excretion in humans

    Excretion; the kidneys

14. 14

    Coordination and response

    Nerves; sense organs; hormones; homeostasis; tropic responses

15. 15

    Drugs

    Drugs and antibiotics

16. 16

    Reproduction

    Asexual and sexual reproduction; reproduction in plants and humans; sex hormones; sexually transmitted infections

17. 17

    Inheritance

    Chromosomes, genes and proteins; mitosis and meiosis (Extended); monohybrid inheritance

18. 18

    Variation and selection

    Variation; adaptive features; natural and artificial selection

19. 19

    Organisms and their environment

    Energy flow; food chains and webs; nutrient cycles; populations

20. 20

    Human influences on ecosystems

    Food supply; habitat destruction; pollution; conservation

21. 21

    Biotechnology and genetic modification

    Biotechnology; genetic modification

Next: IB Biology

1. 1

   States of matter

   Solids, liquids and gases; diffusion

2. 2

   Atoms, elements and compounds

   Elements, compounds and mixtures; atomic structure; isotopes; ionic and covalent bonding; giant structures; metallic bonding (Extended)

3. 3

   Stoichiometry

   Formulae; relative masses; the mole and the Avogadro constant

4. 4

   Electrochemistry

   Electrolysis; hydrogen-oxygen fuel cells

5. 5

   Chemical energetics

   Exothermic and endothermic reactions

6. 6

   Chemical reactions

   Physical and chemical changes; rate of reaction; reversible reactions and equilibrium; redox

7. 7

   Acids, bases and salts

   Properties of acids and bases; oxides; preparing salts

8. 8

   The Periodic Table

   Arrangement of elements; Group I; Group VII; transition elements; noble gases

9. 9

   Metals

   Properties and uses of metals; alloys; the reactivity series; corrosion; extraction

10. 10

    Chemistry of the environment

    Water; fertilisers; air quality and climate

11. 11

    Organic chemistry

    Naming and formulae; fuels; alkanes; alkenes; alcohols; carboxylic acids; polymers

12. 12

    Experimental techniques and chemical analysis

    Experimental design; titrations; chromatography; separation and purification; identifying ions and gases

Next: IB Chemistry

1. 1

   Motion, forces and energy

   Measurement; motion; mass and weight; density; forces and turning effects; momentum (Extended); energy, work and power; pressure

2. 2

   Thermal physics

   The particle model; gases and absolute temperature; thermal expansion; specific heat capacity; melting, boiling and evaporation; conduction, convection and radiation

3. 3

   Waves

   Properties of waves; reflection and refraction of light; thin lenses; dispersion; the electromagnetic spectrum; sound

4. 4

   Electricity and magnetism

   Magnetism; charge, current and voltage; resistance; electrical power; circuits; electrical safety; electromagnetic induction; the a.c. generator (Extended); motors and transformers

5. 5

   Nuclear physics

   The atom and the nucleus; radioactivity; half-life; safety

6. 6

   Space physics

   The Earth; the Solar System; the Sun as a star; stars; the Universe

   See a sample lesson

Next: IB Physics