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Scope on Safety: Invasion of the Alien Species
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This column shares safety information for your classroom. This month’s issue discusses nonnative species.
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A Cooperative Classroom Investigation of Climate Change
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Scientists have a particularly difficult time explaining warming trends in Antarctica—a region with a relatively short history of scientific observation and a highly variable climate (Clarke et al. 2007). Regardless of…
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The Case Study: Twixt Fact and Fiction
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What shall it be, a real case connected to the real world with blood, sweat, and tears or a fantasy, a twice-told tale by a spinner of yarns around a campfire on a summer night? When a teacher sits down to write a case…
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This lab exercise investigates and compares the carbon monoxide content of automobile exhaust and cigarette smoke. The experiment uses gas chromatography with thermal conductivity detection to analyze the percentage by…
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What has six legs, three body parts, and is loved by second-grade students? An insect! In the unit described here, students engaged in a comprehensive insect study that incorporated the National Science Content…
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Research and Teaching: Who Does Extra-Credit Work in Introductory Science Courses?
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On the first day of classes, 81% of students in an introductory biology course claimed that they would submit extra-credit work if given the opportunity. When given two chances for extra-credit work, fewer than one-…
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Every Day Science Calendar—October 2007
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This monthly feature contains facts and challenges for the science explorer.
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Point of View: In Defense of the Lecture
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Science education research has produced empirical data supporting good teaching techniques. An awareness of this body of knowledge can be helpful in deciding what to do with your 50 minutes to increase the effectiveness…
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Formative Assessment Probes: With a Purpose
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This column focuses on promoting learning through assessment. In this month’s issue the author uses the stages of the SAIL Cycle to reflect upon and share some of the ways the probes published in Science and Children (…
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Guest Editorial: Building Ladders to the Stars
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Young children love the stars and planets. They love the idea of leaving the Earth and traveling to the stars, of meeting aliens and exploring unknown worlds. Our goal in elementary school is to build the ladder to the…
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Do College Introductory Biology Courses Increase Student Ecological Literacy?
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The research described in this article used a pre-/postsurvey design to assess first-year science majors' attitudes and perceptions of the environment and their ecological knowledge.
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Editorial: The Boy Scouts Said It Best—Some Advice on Case-Study Teaching and Student Preparation
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Students are seldom prepared. They have many things, most not related to school, on their minds in college. In large classes in particular, student attendance falls off precipitously with each passing week of the…
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In times of economic downturn, college enrollments often increase. Entering students may come from diverse educational backgrounds and bring variable skill sets. In this article, the authors describe a skills-focused…
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Most editions of supermarket tabloids include "science-related" stories that make science teachers cringe. Find out how they present learning opportunities by helping students to discriminate between factual and bogus…
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It's Time for Adventure Buddies
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The authors describe a partnership among preservice teachers, education students, and classroom teachers in an inquiry-based program that introduces young children to physics by playing on a playground.
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