15 small sailboat15小帆船 The invention of the sailboat is a major innovation in the history of human navigation. 帆船的发明,是人类航海史上的一大创举。 Let's make a sailboat and study how sailboats use the power of the wind to sail.让我们也来制作一艘帆船玩一玩,研究帆船是怎样利用风的力量航行的。 Let's play with the sailboat we made.玩一玩我们制作的帆船。 Do you know what "the ship makes the wind on all sides" means? Try to see if you can do it!你知道“船使八面风”是什么意思吗?试一试能不能做到 When the sailboat is sailing north and the wind is blowing in the direction shown, draw the direction of the sail surface according to the experimental facts.帆船要向北航行,刮图示方向的风时,根据实验事实,画出帆面的方向。 North北 South wind南风 Southwest wind西南风 Southeastern wind东南风 Wind is a common natural phenomenon in our life, and is closely related to our life. 风是我们生活中常见的自然现象,与我们的生活密切相关。 How does wind affect our life? 风对我们的生活有什么影响? Information Card资料卡 Windstorm Disaster暴风灾难 In 1703, hurricanes in England and France uprooted about 250,000 trees, destroyed about 1,000 houses, knocked about 400 ships ashore, and injured thousands of people. 1703年,飓风在英国和法国连根拔掉了大约25万棵树,破坏了约1000所房屋,使约400艘船撞到岸上,还伤害了好几千人。 1860, a storm disaster occurred in France, with winds so strong that two trains tumbled off the tracks.1860年,法国发生了一次暴风灾难,风大得使两列火车从轨道上翻下来 Between 1945 and 1965, there were 48 major disasters in Japan due to earthquakes, fires, droughts, floods, and windstorms, of which more than 20 were wind-related. 1945-1965年间,日本因地震、大火、干旱、洪水、暴风而发生的重大灾害有48起,其中与风有关的就达20多起。 In the United States, wind damage killed an average of 250 people, injured 2,500, and cost about $500 million annually. 在美国,因风害每年平均有250人死亡,2500人受伤,损失约5亿美元。 In January 1969, a dangerous "black storm" blew in Krasnodar and Rostov, two places east of the Black Sea in the Soviet Union. 1969年1月,在苏联黑海东面的克拉斯诺达尔和罗斯托夫这两个地方,刮起了一场险恶的“黑风暴”。 When it came, the sky was dark, sand and rocks were flying.当它光临的时候,天昏地暗,飞沙走石 This black storm blew for several days, and on 8000 square kilometers of land, wheat seedlings were blown all over the sky, and the brown-black soil was swept up by the wind, forming a black fog wave of hundreds of kilometers.这场黑风暴一刮几天都不停,8000平方千米的土地上,麦苗被吹得满天飞扬,棕黑色的土壤被狂风卷起,形成了长达数百千米的黑色雾浪。 The benefits of wind to human beings:风对人类的益处: Harmful effects of wind on human beings:风对人类的危害: Continue to observe the wind, choose your favorite method, and study the unsolved problems继续观察风,选择自己最喜欢的方法,研究没有解决的问题 Collect proverbs about wind from all over the world and make a proverb newspaper.搜集各地关于风的谚语,办一期谚语报。 Unit Evaluation单元评价 Favorite activities in this unit本单元最喜欢的活动 O Awareness of the "protection of the ozone layer"O对“保护大气臭氧层”的宣传 O Research on the causes of wind formationO对风形成原因的研究 O Playing with a parachuteO玩降落伞 O Making and studying a sailboatO制作、研究帆船 O O My performance in this unit本单元我的表现 Collecting, organizing and analyzing information ☆☆☆☆☆资料的搜集、整理和分析☆☆☆☆☆ Thinking of ways to confirm my suspicions ☆☆☆☆☆想办法证实自己的猜想☆☆☆☆☆ Enjoyed working with classmates to solve problems ☆☆☆☆☆喜欢和同学合作解决问题☆☆☆☆☆ Continuously improve experimental methods in the process of experimentation☆☆☆☆★☆在实验过程中不断改进实验方法☆☆☆★☆ Analyze the recorded data ☆☆☆☆☆对记录的数据进行分析,☆☆☆☆☆ Find patterns in them and make good suggestions in the research process☆☆☆☆☆☆☆☆从中发现规律在研究过程中提出好的建议☆☆★☆☆ Be able to understand things from different perspectives ☆☆☆☆☆ 能从不同角度认识事物☆☆☆☆☆ ……☆☆☆☆☆ |
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