The "Next Generation Science Standards" (NGSS Lead States 2013) call for all students to be engaged in investigations that require them to use skills and knowledge related to the science and engineering practices. In this article the authors describe how the mnemonic RAD, "Record-Analyze-Develop an explanation," was used by a…

Although the teaching of photosynthesis occurs yearly in elementary classrooms, one thing that makes it challenging is the inclusion of English language learners (ELLs). This article presents several activities for teaching and assessing of photosynthesis in a third grade classroom. The activities incorporate the photosynthesis content, teaching…

The educational design of a project option in an Open University course on evolution is described. Also described is the simulation which models the genetic and evolutionary consequences of two populations of a species of flowering plant coming together after a period of genetic isolation. (Author/JN)

Describes a computer model characterizing the balance of soil-plant Nitrogen that allows students to see the likely consequences of different biological and weather-related parameters. Proposes three uses for the model: (1) orienting beginning students to understand the soil Nitrogen cycle; (2) providing information for advanced students; and (3)…

Thematic units, the basis of organization for this guide, work in many ways toward the dual goals of language and content area instruction. The thematic units presented here address topics of high interest to limited English-proficient (LEP) students, including: robots; using a computer data base; activities with plants; building terrariums;…