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暑假的第一天,下学期将读小学六年级的侄儿小峰就忙开了,翻箱倒柜地找锥子、量杯、空矿泉水瓶、绳子等。找齐后,在矿泉水瓶口绑上绳子,用锥子在矿泉水瓶底部钻一个洞,然后用手指按住洞,将矿泉水瓶装满水并挂在一个架子上再放开手指,让水通过底部的洞滴到下面的量杯里;在放开手指的同时开始计时,等一小时后停止滴水,观察量杯里装了多少水……看他一改往常做事心不在焉的样子,如科学家搞研究一样一本正经,笔者好奇,
The first day of summer vacation, the next semester will be reading the sixth grade primary school nephew Xiaofeng busy, turn the bucket to find awl, measuring cup, empty mineral water bottles, ropes and so on. After getting together, tie the rope in the mouth of the mineral water, use the awl to drill a hole in the bottom of the mineral water bottle, and then hold the hole with your finger, fill the water bottle with water and hang on a shelf and then release your finger to let the water pass through the bottom The hole drops to the measuring cup below; start to count while releasing the finger, wait for an hour to stop dripping, observe how much water is installed in the measuring cup ...... Look at him to change to behave normally like a scientist does research seriously, The author is curious,