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Full Application of the Scientific Method in an Undergraduate Teaching Laboratory: A Reality-Based Approach to Experiential Student-Directed Instruction

Journal Article

Full Application of the Scientific Method in an Undergraduate Teaching Laboratory: A Reality-Based Approach to Experiential Student-Directed Instruction

Classroom experiments are often designed for convenience, ignoring fundamental scientific processes. Even “hands-on” experiences seldom allow the student to define the problem or design the experiment. The example outlined here incorporates the e...

Scope on the Skies: The sky is falling

Journal Article

Scope on the Skies: The sky is falling

This column focuses on astronomy throughout the year. In this issue, learn about the special events occurring in the months of November and December....

Making Environmentally Friendly Cleaners

Journal Article

Making Environmentally Friendly Cleaners

The emphasis on science education involves students "doing science" with hands-on and minds-on activities. In this article, students do science by making, testing, and comparing the effectiveness, cost efficiency, and safety of environmentally friend...

Teaching Teachers: Day of Science

Journal Article

Teaching Teachers: Day of Science

"Day of Science" provided students an opportunity to sample various hands-on activities and also provided superb learning and practice opportunities for visiting preservice teachers. This article offers information on how the project came about and h...

Teaching with Dewey on My Shoulder: John Dewey's ideas about interaction and continuity contribute to the teaching and learning of science

Journal Article

Teaching with Dewey on My Shoulder: John Dewey's ideas about interaction and continuity contribute to the teaching and learning of science

When John Dewey’s name appears somewhere, many people imagine a librarian inventing an organizing system for shelving library books, but this is a different Dewey. Here the author is talking about John Dewey (1859–1952), the educator whose ideas ...

Favorite Demonstration: The Laporte Selection Rule in Electronic Absorption Spectroscopy

Journal Article

Favorite Demonstration: The Laporte Selection Rule in Electronic Absorption Spectroscopy

The Laporte selection rule states that electronic transitions between two gerade (g) states are forbidden; electronic transitions between two ungerade (u) states are forbidden; and electronic transitions between a gerade state and an ungerade are all...

The Molecular Evidence for Evolution: Narrowing the Definition of Evolution to Represent a Single Concept

Journal Article

The Molecular Evidence for Evolution: Narrowing the Definition of Evolution to Represent a Single Concept

The best way for students to discover how DNA sequences confirm descent with modification is to let them analyze data from the public sequence databases themselves. But first they must understand the significance of the sequences, and of variations i...

Learn with Levers

Journal Article

Learn with Levers

This is an exciting unit on levers that culminates with a student lever launch contest that takes them to Mars. The student whose probe lands closest to the center of Mars is awarded a medal and a small token of appreciation. Students and their famil...

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