1. The Biosphere
    1. What is the biosphere?
      1. Components of the biosphere
      2. Characteristics of living plants and animals
    2. Requirements for sustaining life
      1. Adapted for life
    3. Summary
  2. Biodiversity
    1. Classification of living things
      1. Our classification system
      2. Plants and animals
      3. Fungi
      4. Protists and Bacteria
    2. Diversity of animals
      1. Classifying animals
      2. Vertebrates
      3. Invertebrates
    3. Diversity of plants
      1. Classifying plants
      2. Seed-bearing plants
    4. Summary
  3. Sexual reproduction
    1. Reproduction in angiosperms
      1. Flower structures
      2. Pollination
      3. Fertilisation
      4. Seed dispersal
    2. Human reproduction
      1. Why do humans need to reproduce?
      2. Puberty
      3. Human reproductive organs
      4. Different stages in human reproduction
      5. Ways to prevent pregnancy and STDs
    3. Summary
  4. Variation
    1. Variation within a species
    2. Inheritance in humans
      1. Natural selection
    3. Summary
  5. Life and Living Glossary
  6. Properties of materials
    1. Physical properties of materials
      1. What are properties and why are they important?
      2. Advantages versus disadvantages
      3. Boiling and melting points
    2. Impact on the environment
    3. Summary
  7. Separating mixtures
    1. Mixtures
      1. Different kinds of mixtures
      2. A mixture of a gas and a gas
    2. Methods of physical separation
      1. How do we separate mixtures?
      2. Separating solutions
    3. Sorting and recycling materials
      1. How is household waste managed by local authorities?
      2. Careers in chemistry
    4. Summary
  8. Acids, bases and neutral substances
    1. Tastes of substances
      1. Your tongue can only sense four flavours
      2. Our sense of taste protects us
    2. Properties of acids, bases and neutral substances
      1. Acids
      2. Bases
      3. Neutral substances
    3. Acid-base indicators
    4. Summary
  9. The Periodic Table of Elements
    1. Arrangement of elements on the Periodic Table
      1. Element names
      2. Chemical symbols
      3. Atomic numbers
    2. Properties of metals, semi-metals and non-metals
      1. The properties of metals and non-metals
      2. The properties of semi-metals
    3. Summary
  10. Matter and Materials Glossary
  11. Sources of energy
    1. Renewable and non-renewable energy
      1. Non-renewable sources
      2. Renewable sources
    2. Summary
  12. Potential and kinetic energy
    1. Potential energy
    2. Kinetic energy
    3. Law of conservation of energy
    4. Potential and kinetic energy in systems
      1. Mechanical systems
      2. Thermal systems
      3. Electrical systems
      4. Biological systems
  13. Heat: Energy transfer
    1. Heating as a transfer of energy
    2. Conduction
    3. Convection
    4. Radiation
    5. Summary
  14. Heat insulation and energy saving
    1. Why do we need insulating materials?
    2. Using insulating materials
      1. Indigenous homes
  15. Energy transfer to surroundings
    1. Useful and wasted energy
  16. The national electricity supply system
    1. Energy transfers in the national grid
      1. The national grid is a system
      2. How electricity is generated and supplied
      3. Energy transfers in the national grid
      4. Dynamos
    2. Conserving electricity in the home
  17. Energy and Change Glossary
  18. Relationship of the Sun to the Earth
    1. Solar energy and the Earth's seasons
      1. Earth's rotation
      2. Earth's revolution
      3. Why do we have seasons?
      4. Seasons on other planets
    2. Solar energy and life on Earth
    3. Stored solar energy
      1. Formation of coal
      2. Formation of crude oil and natural gas
      3. Fossil fuels store and transfer solar energy
    4. Summary
  19. Relationship of the Moon to the Earth
    1. Relative positions
    2. Gravity
      1. Weight
      2. The Moon's gravity
    3. Tides
      1. The effects of tides on shoreline ecosystems
    4. Summary
  20. Historical development of astronomy
    1. Early indigenous knowledge
    2. Modern developments
      1. The discovery that the Sun is at the centre of the solar system and not the Earth
      2. The discovery that the planets' orbits are elliptical
      3. Galileo's discoveries using his telescope
      4. Newton discovers gravity
      5. Modern day discoveries
    3. Summary
  21. Earth and Beyond Glossary