文章基本信息

标题：Watery world – hands-on experiments from Earthlearningidea
本地全文：下载
作者：Giulia Realdon ; Gina P.Correia ; Xavier Juan 等
期刊名称：Science in School
印刷版ISSN：1818-0353
电子版ISSN：1818-0361
出版年度：2021
期号：54
语种：English
出版社：EIROforum
摘要：Water is one of the defining features of the Earth. Most water is sea water (about 97%), while fresh water accounts for only 2.5%, most of which is ice. For liquid fresh water (0.8% of total water on Earth), the ratio of surface water/ground water is around 1:25.
关键词：Environment;Water cycle;Sustainability