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Journal Article

Ask the Experts—February 2004

The experts address the following question in this month’s column: How do solutes reduce the vapor pressure of a solvent?...

Journal Article

Professional Development for You

No Child Left Behind’s emphasis on accountability and demands for a quality teacher in every classroom has spawned a cottage industry of providers of professional development. How can educators begin to sort through them all to find the right choic...

Journal Article

Editorial: Coplas de Ciego

The medieval Spanish custom in which blind storytellers went from town to town telling stories (sung as mantras) of murder, impassioned love, and pestilence to the villagers as a means of sustaining themselves were known as Coplas de Ciego, or Bli...

Journal Article

All Things in Moderation

Moderation, or the interactive analysis of student work by small groups of teachers, can help to qualify student understanding and increase teacher sensitivity to student progress with difficult concepts. This article describes how the process of mod...

Journal Article

Science 101? What Causes Rainbows?

If you look at a rain cloud with the Sun behind your back, the sunlight and water drops may interact just right, revealing the familiar arc of red, orange, yellow, green, blue, indigo, and violet. Many of us have been pleasantly surprised to see a r...