Unit 1 Sport and Fitness Unit 2 Skin Deep Unit 3 Animals in Danger Review 1 Part one Vocabulary Part Two The Lost Worid Part Three Biodiversity Unit 4 Violent Earth Unit 5 Islands and Beaches Unit 6 Ancient Mysteries Review 2 Part one Vocabulary Part Two The Serengeti Part Three Earth in Motion Unit 7 Global Addictiom Unit 8 Legendary Voyage' Unit 9 Stories of Survival Review 3 Part One Vocabulary Part Two The Forbidden City Part Three Energy Unit 10 All in the Mind Unit 11 Art and Life Unit 12 Medical Challenges Review 4 Part One Vocabular Part Two Banks of the Seine Part Three Cultural Heritage