Human-made pollution is a large and complex problem that has harmful effects on communities and ecosystems. Understanding these impacts is essential, but it can be daunting when many types of chemical pollution are difficult to conceptualize, especially for elementary school students. Something every student can understand, however, is trash.…

Children at Alcott Elementary in Westerville, Ohio, have a new habit of saying, "I can!" In the last few years, educators in the district have carefully translated the standards in their elementary courses of study into "I Can" statements. During the fourth and fifth graders' recent study of government, the authors of this…

Background/Context: Technological and economic changes have put a high premium on developing students' information literacy and research skills. Previous attempts to deploy educational technology toward these ends have proved disappointing because K-12 teachers have difficulty integrating shared computers into instruction. In response, numerous…