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哪个孩子不喜欢仰望夜空?哪个孩子不被夜空的美妙景象所吸引?他们都畅想着有一天能登上宇宙飞船,去银河系遨游。为了引起学生的兴趣,我设计了《吸管火箭》单元。在这一节的学习中,学生需要制作吸管火箭并挑战发射,比较谁设计的火箭飞得更远。本课适合四到五年级的学生。在这一单元学习中,学生要学会控制和操作变量,他们要测试吸
Which children do not like watching the night sky and which children are not attracted by the wonderful scene of the night sky? They all imagined that one day they would board the spacecraft and travel to the Milky Way. To arouse the interest of students, I designed a “straw rocket” unit. In this section of the study, students need to make pipette rocket and challenge the launch, compared to who designed the rocket farther. This course is for students in grades four through five. In this unit learning, students learn to control and manipulate variables and they want to test for sucking