Academic journal article The Science Teacher

The Classroom Astronomer Spectrum Viewers: Elements, Mixtures, and Molecules Indoor and Outdoor Lighting

Academic journal article The Science Teacher

The Classroom Astronomer Spectrum Viewers: Elements, Mixtures, and Molecules Indoor and Outdoor Lighting

Article excerpt

Specifications

Manufacturer: Hermograph Press

Price: $9.50 each (available in classroom sets)

Website: www.hermograph.com

Grade level: high school, college

The Classroom Astronomer Spectrum Viewers provide a handy, convenient classroom tool for identifying and learning about various spectra. The Viewers are rectangles of stiff, glossy cardboard (about 8.5" x 5.5") with a piece of spectrum film securely embedded in their tops. They seem very sturdy, and I expect they will stand up to years of student use.

Easy-to-understand directions are printed on the bottom of the Viewers. The text is simple and clearly printed so that it is easy to read, which makes the Viewers easy to use. Printed on the cards are examples of continuous, bright-and dark-line spectra to which students can refer. On the Elements, Mixtures, and Molecules model, spectra for 15 different gasses are included. On the Indoor and Outdoor Lighting model, spectra for 11 different types of lighting are included.

As a bonus, the back side of the Indoor and Outdoor Lighting model provides general notes about lighting and spectra, and characteristics of common light sources. This side also has a student activity that explains how students can check the energy efficiency of their neighborhood by using the Viewer to identify the type of bulbs used. This extra information and activity are a nice supplement and turn a classroom "tool" into a classroom "resource. …

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