Understanding natural selection and adaptation are important precursors to learning evolution (NGSS Lead States 2013), the central unifying principle of biology. This lesson sequence, guided by the Five Practices Model (Cartier et al. 2013), incorporates data described by Andersson (1982) that details female choice in a population that eventually…

As society becomes more technological, the need for scientific literacy grows . Part of scientific literacy is understanding the nature of science, which can be revealed, in part, by learning the historical context of current science concepts. History of science can be taught using scientific inquiry, scientific argumentation, and authentic…

By providing a variety of strategies, scenarios, examples of student writing, classroom video clips from across all science content areas, rubrics, and guidelines for designing assessment items, "Supporting Grade 5-8 Students in Constructing Explanations in Science: The Claim, Evidence, and Reasoning Framework for Talk and Writing" provides…

Describes a hands-on activity that helps students to better transfer the abstract concept of atoms into a concrete understanding of atomic structure. (ZWH)

Discusses student difficulties in problem solving. Presents a structured approach to one-dimensional constant acceleration problems. Provides researcher's experience including an example problem, advantages of the approach, and student responses with two illustrations of problem solving. (YP)

Presents three activities that uses three dimensional models to help teach geologic concepts such as geologic land forms and rock strata. (ZWH)

Suggests that an event-based science curriculum can provide the framework for deciding what to retain in an overloaded science curriculum. Provides examples of current events and the science concepts explored related to the event. (MDH)

To provide an international perspective, and to get American students focused on the United Nations (UN) as a legitimate scientific institution, the United Nations and its role in addressing global environmental concerns should be taught in the American science classroom. The target audience for this paper is high school teachers. The United…