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Why are some metal-ion solutions colored, while others are not? What gives rise to the variety of colors that we see? Find the answers in this article.
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While designing and building "Mars Landers," fourth-grade students engage in important engineering practices such as making models, testing designs, and comparing the effectiveness of different models. Students also…
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The hydrologic cycle is a very basic scientific principle. In this article, background information is presented on how the hydrologic cycle provides scientists with clues to understanding the history of Earth’s climate…
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Multimedia Rocks: Using technology as a tool to improve achievement in science
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As part of a unit on rocks and minerals, students engaged in hands-on, inquiry-based activities that helped them discover what geologists do, how to identify rocks and minerals, and how rocks change over time through…
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Librarians instruct students where to find information, but rarely demonstrate its management, while faculty have difficulty incorporating real-time laboratory experience with library research. This paper focuses on the…
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How Not to Lose Your Students With Concept Maps
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This study examines student perceptions of usefulness of concept mapping across four different physiology courses that varied in their implementation.
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Scope on Safety: Shedding light on laser pointer safety
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With the introduction of physics concepts at the elementary and middle school grades resulting from the National Science Education Standards and No Child Left Behind legislation, teachers are looking for exciting…
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In this article, the author developed entertaining creative writing assignments that require all students to provide the story context for their own learning. Simple and creative methods of conveying information reduce…
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Science Shorts: Spoilage Science
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Whether it’s fresh or processed, all food eventually spoils. Methods such as freezing, canning, and the use of preservatives lengthen the lifespan of foods, and we—and the modern food industry—rely on these methods to…
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Identify the energy "vampires" in your students' homes with the help of inexpensive technology.
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Teaching Through Trade Books: A Closer Look
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Give a child a hand lens or a microscope and they quickly become fascinated with the hidden worlds these tools reveal. The lessons in this month’s column provide opportunities for students to take a closer look at the…
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No More Leaks: A Process-Oriented Lesson Exploring the Invention and Chemistry of Disposable Diapers
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High school chemistry can be intimidating to some students, so it is critical that we engage students in nonthreatening preparatory investigations during middle school. Based on the learning cycle model (Bybee and…
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The Galápagos Islands are sometimes thought of as the birthplace of evolution. Not because evolution begins there, not because evolution occurs there and nowhere else, but because the results of evolution so visible. A…
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Problem Solving in Biology: A Methodology
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A methodology is described that teaches science process by combining informal logic and a heuristic for rating factual reliability. This system facilitates student hypothesis formation, testing, and evaluation of…
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Science 2.0: Dynamic Lessons With Google Earth
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This column shares web tools that support learning. This month’s issue discusses the "layers" feature of Google Earth.
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