Book Description Designed for middle-level Earth science teachers， Earth: The Water Planet explains how to use readily available materials and a variety of instructional methods to investigate how water shapes our planet and daily lives. Included are hands-on experiments challenging you to purify swamp-water， conservation-oriented activities showing how much water is wasted by a dripping faucet， and a role-playing activity in which students present opposing arguments at a town meeting.
还没人写过短评呢