Unit 2 Out of this world Project 课件 -2023-2024学年牛津译林版（2020）高中英语选择性必修第三册

Project Providing solutions for living beyond the Earth Unit 2 Out of this world What planets do you know in the solar system? Mercury(水星) / m kj ri/ Venus(金星) / vi n s/ Earth Mars(火星) Jupiter(木星) / d u p t (r)/ Saturn(土星) / s t n/ Uranus(天王星) / j r n s; j re n s/ Neptune(海王星) / neptju n/ Pluto(冥王星) / plu t / Moon Which one can humans possibly live on in the future? 空白演示 单击输入您的封面副标题 Step 1 Know some basic information about Mars Mars is a rather harsh environment cold loneliness radiation no breathable air no food lack of water dust storms ...... Step 2 Think about the challenges of living on Mars increase the risks of contracting cancer and other diseases block sunlight from reaching the surface affect energy production for long periods radiation dust storms ...... Step 3 Brainstorm solutions to the challenges 1. Build a special structure to protect us against radiation and keep inner atmospheric pressure constant 2. Take advantage of the solar energy in the north pole 3. Construct nulcear power stations ... Problems Solutions Power Harvest oxygen in the soil Collect the buried ice at the south pole of the moon. Create water with oxygen and hydrogen shipped from the Earth. Manufacture solar cells Generate electricity from the reaction of hydrogen and oxygen Use nuclear power Grow food using chemicals like carbon, nitrogen oxygen, hydrogen, etc. no breathable air lack of water no food cold Step 3 Brainstorm solutions to the challenges Know more information about Mars Discuss in groups which planet could humans possibly live on. Do research on it and brainstorm the challenges it will present. Then try to think of solutions to the challenges. Group work Basic information (size, distance from the Sun/Earth, surface features, climate, water, atmosphere, etc.) Challenges (resources, food supply, cold, radiation, communication with the ground, etc.) Solutions Six steps for solving a problem Step 1 Define the problem Step 2 Addre