The Solar system and beyond; Day or night?; The seasons; What is an eclipse?; Planets; Gravity and space; Solar system models; Human-made satellites; Rocks and weathering; What are rocks made of?; The rock cycle; How are sedimentary rocks made?; Rock types; Plants and photosynthesis; Inside a leaf; Testing for starch; When do plants make oxygen?; Moving water around; Plants for food; Food from plants; Where is starch stored in the plant?; A good growing environment; Pesticides and the food chain; A fair test; Accurate measuring instructions; Collecting data;

Investigations and experiments; Results chart and graph hints; Interpreting data.

Energy resources; The thermometer; How was coal formed; Energy resources; Solar energy; Circuits;  How much current is there in a battery?; Forces and their effects; Friction; Balanced forces; Heating and cooling; A good insulator; Keeping your house warm; Magnets and electromagnets; Magnetic fields; Making a magnet; Electromagnets; What is light?; How do we see?; What happens to reflected light?; Can light bend?; Why do things look coloured?; Sound and hearing; Can sound travel in empty space?; Echoes; Sound pollution; Energy and electricity; Wasted energy; Speed; Calculating speed; What affects the speed of an object?;  Pressure and moments; Balancing; Forces can make things turn.

Acids and alkalis; Hazard signs; Universal indicator; Neutralisation; Simple chemical reactions; Gases, acids and carbonates; Fuels; Particle model of solids, liquids and gases; Solutions; Separating mixtures; What colour is black ink?; Atoms and elements; Periodic table; Compounds and mixtures; Atoms in a compound; Pure substances; Reactions of metals and metal compounds; Metal oxides and acids; Patterns of reactivity; Metals- air and water; Displacements reactions; Environmental chemistry; Air pollution; Greenhouse effect; Acid rain; Using chemistry; Combustion; Energy from chemical reactions; Conservation of mass.

Cells and life processes; Human reproduction; Female menstrual cycle; Pregnancy; Environment and feeding; Habitat and seasons; Food chains; Variation and classification; Animals without backbones; Food and digestion; Respiration; The heart; Microbes and disease; The body’s defence system; Protecting the community; Ecological relationships; Populations; Inheritance and selection; Identical twins; Selective breeding; What is fitness?; Balanced diet