Happy Earth is a topic-based course with a communicative emphasis that builds on previous language development. It is suitable for use after Happy World. By drawing on a wide range of factual information, it develops the children's language skills along with their general knowledge. Combined with the preceding level in the Happy series, it can complete an articulated six-to eight - level course.
Unit 1 Our bodies
Unit 2 At leisure
Unit 3 Science focus
Unit 4 Society and us
Unit 5 One Earthj
Unit 6 Around the world
Unit 7 Fame and fortune
Unit 8 Into the future