What makes time tick? With these dozens of experiments, budding scientists will happily pass the hours investigating all its wonders. They’ll learn how to tell time using the sun, moon, and stars; make their own hourglass and candle timekeeper; and learn how clocks and watches operate. Fun-filled activities include creating a model of the International Date Line and constructing a cereal box planetarium, plus there are intriguing answers to such questions as whether we’ll ever be able to travel through time.
具体描述
读后感
评分
评分
评分
评分
评分
用户评价
评分
评分
评分
评分
评分
相关图书
本站所有内容均为互联网搜索引擎提供的公开搜索信息，本站不存储任何数据与内容，任何内容与数据均与本站无关，如有需要请联系相关搜索引擎包括但不限于百度，google,bing,sogou 等
© 2025 book.wenda123.org All Rights Reserved. 图书目录大全 版权所有