Beginnings - Earth's structure; Plate tectonics; Mountains, rivers; Volcanoes, earthquakes; Water cycle; Oceans; The atmosphere; Cliamte and weather; Extreme weather Wonder of Life - Prehistoric life; Evolution and extinctions; Microscopic life; Plants; Fungi; Invertebrates; Vertebrates - Fish, Reptiles, Amphibians, Birds, Mammals Biomes and Habitats - Polar; Temperate forests; Grasslands; Tropical forests; Mountains; Rivers and wetlands; Oceans - coasts, coral reef, open sea, deep sea People and the Planet - Evolution of human life; human homes and habitats; Feeding the world - farming etc; Changing the planet - pollution, climate change; Challenges ahead - Conservation, national parks etc.