9B Unit 4 Life on Mars Welcome to the unitTeaching aims:1. Thinking about life in the future.2. Thinking about what life be like on another planet.3. Discussing the advantage and disadvantage of a particular environment.Teaching procedures:Step 1 Warming up Show some pictures and let students know something about Mars.Do you know this planet?Step 2 Read and say Mars, helmet, air tank, dried food, power pack, sleeping pack, gravityStep 3 DiscussionBy 2050,our earth w
