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Science Sampler: Representing Variability of Data
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Measures of central tendency--mean, median, and mode--are often used as descriptive statistics when students conduct experiments in which they take repeated measures of the dependent variable or when class data are…
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Tech Trek: Wordsmiths on the web
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Based on authors Bob Tierney and John Dorroh's practical suggestions for promoting student writing and the learning of science, this column highlights a variety of websites that involve students in similar activities…
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Teaching Through Trade Books: Wild About Data
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In today’s world of short attention spans and media overload, the ability to create visual representations to communicate data is an important skill. This month’s lessons focus on various ways to display data and the…
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Formative Assessment Probes: Needs of Seeds
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The “Needs of Seeds” formative assessment probe can be used to find out whether students recognize that seeds have needs both similar to and different from plants and other living organisms (Keeley, Eberle, and Tugel…
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Science Adventures at the Local Museum
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To promote science learning outside the traditional classroom and encourage preservice teachers to use hands-on science, a local university and museum partner to promote informal science education.
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The Gulf Stream and Density of Fluids
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A few kilometers from the shores of Palm Beach County, Florida, the Gulf Stream current—a remarkable "river" within an ocean—makes its closest approach to land. To help students understand why and how the Gulf Stream…
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Science 2.0: Picture This Assessment
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If a picture is worth a thousand words, imagine the power of an image-filled science test! In a world rich with drag-and-drop, copy-and-paste digital imaging, today’s teachers have a number of options to create visually…
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Journal Article |
Imagine soaring in the Earth’s atmosphere to near the edge of space. Is there air to breathe? Is it dark? Are there clouds? What about air pressure? Fifth-grade students from Ferguson Elementary in Klamath Falls, Oregon…
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Inquiry-based instruction is widely promoted to increase both students’ conceptual understanding and their engagement in course content. What this means for day-to-day practices in the classroom is more elusive.…
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Do Open-Book Exams Impede Long-Term Learning in Introductory Biology Courses?
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Students in an introductory biology course who were given open-book exams during the semester earned significantly higher grades on these exams, but significantly lower grades on the closed-book final exam, than…
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Assessment in our classrooms involves measuring: 1) individual student achievement to informally and formally judge student progress, and 2) total class learning to evaluate pedagogy and adjust teaching to maximize…
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The Early Years: Investigable Questions
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Teachers may not need to teach children to ask questions, just develop that safe place where questions can be voiced, observe children to see the questions in their actions, and develop a culture that appreciates and…
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Science Sampler: Plastics in our environment—A jigsaw learning activity
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In this lesson, a ready-to-teach cooperative reading activity, students learn about the effects of plastics n our environment, specifically that certain petrochemicals act as artificial estrogens and impact hormonal…
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The Case Study: E-Mail From Socrates
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Humans are storytelling animals that learn best when things are put into an experience or story. Teachers seem to think they can just lecture about the principles that they believe govern the world and the students…
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Journal Article |
The Biology of Food course—a large lecture course with no laboratory section—is a mixture of kitchen chemistry, post-eating food metabolism, origins of different foods (from crop breeding to evolution), and ecological…
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