Chemistry in high school is often presented as a jumbled mass of topics drawn from inorganic, analytical, and physical sub-disciplines. With no central theme to build on, students may have trouble grasping the chemical sciences as a coherent field. In this article, Stowe and Elvey describe an activity that integrates different facets of chemistry…

Examples of the use of various kinds of mobile information technology are explained for use in the classroom or laboratory. Individual or group work can make use of such devices, avoiding the need to move the class to a computer room or wait for a turn to use a computer in the laboratory. Many different applications are available. This article…

New science standards and reform recommendations spanning grades K--16 focus on a limited set of key scientific concepts from each discipline that all students should know. They also emphasize the integration of these concepts with science practices so that students learn not only the "what" of science but also the "how" and…