《让瘪乒乓球鼓起来》是河北人民出版社出版的小学科学课四年级下册教材第17课的教学内容,是“有趣的变化”这一单元的首课内容。本节课的教学目标在于选择学生熟悉的有趣的物质现象来研究其变化规律,让学生经历提出问题、进行猜想、设计实验、实验验证、收集整 “Drumming deflated table tennis” is the teaching content of the 17th grade textbook for elementary school science class published by Hebei People’s Publishing House, and is the first lesson content of this unit of “Interesting Change”. The teaching goal of this lesson is to select the interesting material phenomena that students are familiar with to study their variation rules, let students experience asking questions, making conjectures, designing experiments, experimenting with experiments, collecting