IntroductionUnit 1 Biology1: Living thingsScience in context! The story of appendicitis1.1: The characteristics of life1.2: Investigating living organisms1.3: Organs in plants1.4: Organs in humans1.5: Looking at cells1.6: Specialised animal cells1.7: Specialised plant cells1.
8: The human skeleton1.9: Muscles and jointsEnd of chapter questions2: Micro-organisms and diseaseScience in context! Medicines for the future2.1: Bacteria2.2: Fungi2.3: Viruses2.4: Micro-organisms and food production2.5: Micro-organisms and decomposition2.6: Micro-organisms and disease general principles2.
7: Micro-organisms and disease in animals2.8: Micro-organisms and disease in plants2.9: Louis Pasteur: decay and food production2.10: Louis Pasteur: the fight against diseaseEnd of chapter questions3: Habitats and environmentScience in context! Working in the field3.1: Habitats3.2: Investigating habitats3.3: Grouping organisms3.4: Food chains3.
5: Human effects on food chains3.6: Adaptation for survival3.7: Local and seasonal adaptations3.8: Adaptation for extreme environments3.9: Underwater adaptations3.10: Human population growthEnd of chapter questions4: Variation and classificationScience in context! Variety in moths4.1: Classification4.2: Classifying animals4.
3: Sorting out plants4.4: Species and variationEnd of chapter questionsUnit 2 Chemistry5: Solids, liquids and gasesScience in context! Amazing demonstrations5.1: Classifying everyday materials5.2: Gases5.3: Liquids5.4: Solids5.5: Changes of state5.6: Using models in science5.
7: Heating and cooling curves5.8: Investigating water5.9: Investigating evaporationEnd of chapter questions6: Material propertiesScience in context! Developing a new material6.1: Materials and their uses6.2: Absorbent and waterproof materials6.3: More physical properties6.4: Testing metals and non-metals6.5: Data on metals and non-metalsEnd of chapter questions7: Acids and basesScience in context! Acids and health7.
1: Acids7.2: Distinguishing acids and bases7.3: Making indicators7.4: The pH scale7.5: Investigating acidic problems7.6: Neutralisation7.7: Preparing common salt7.8: Uses of neutralisationEnd of chapter questions8: The EarthScience in context! Finding out about the Earth8.
1: Investigating rocks8.2: Types of rock8.3: Types of soil8.4: Inside the Earth8.5: Evidence from the pastEnd of chapter questionsUnit 3 Physics9: Energy transformationsScience in context! An energetic day9.1: Ideas about energy9.2: Exploring energy transformations9.3: Wasted energy9.
4: Conservation of energy9.5: Sankey diagrams for energy transformations9.6: Energy efficiency9.7: Reducing wasted energy9.8: Investigating the energy in food9.9: Producing electricity9.10: The future of energy sourcesEnd of chapter questions10: Forces and their effectsScience in context! It's a record!10.1: What are forces?10.
2: Frictional forces10.3: Dealing with friction10.4: Forces in balance10.5: Gravity and weight10.6: Moving through fluids10.7: Stretching and squashing10.8: Measuring density10.9: Upthrust, floating and sinking10.
10: Forces at workEnd of chapter questions11: The Earth and beyondScience in context! Resources in the Solar System11.1: The Earth and the Sun11.2: The Moon11.3: The Sun and the planets11.4: Exploring the conditions on other planets11.5: Beyond the planets11.6: Changes in our model of the Solar SystemEnd of chapter questionsScientific enquiryGlossaryPhoto acknowledgements.