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Univ. Of West Georgia: Analyzing the Leadership Behavior of School Principals
This academic document describes various methods of measuring a principal's leadership behavior. The authors developed a new survey instrument that can be used to analyze the leadership behavior/style of a principal.
Texas Education Agency
Texas Gateway: Sound Interference and Resonance: Standing Waves in Air Columns
By the end of this section, you will be able to define antinode, node, fundamental, overtones, and harmonics; identify instances of sound interference in everyday situations; describe how sound interference occurring inside open and...
Curated OER
Unidentified Woman and Edward Dorris Mc Alister (B. 1901)
An unidentified woman and Edward Dorris McAlister (b. 1901) are shown working at the Smithsonian Institution's Division of Radiation and Organisms in Cambridge, Massachusetts. The apparatus shown was being used to measure the strength of...
Dartmouth College
Dartmouth College: Digital P H Meter
This site explains how a digital pH meter uses an electrode to measure the pH of a solution Find out how to use this instrument in this informative site.
TED Talks
Ted: Ted Ed: The History of the Barometer (And How It Works)
A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf...
Dartmouth College
Dartmouth College: Chem Lab: Scanning Spectrometer
The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.
NASA
Nasa Earth Observatory: Clouds in a Clear Sky
This article introduces the different layers of the atmosphere and the clouds that are formed there. Scientists use instruments such as the SAGE 11 that help to measure amounts of sunlight, water vapor, and other conditions that affect...
Creative Science Centre
Creative Science Centre: Mobile Phone Absorption Wavemeter
An absorption wavemeter is a device which can make measurements on the strength of radio emissions and so this instrument is an essential item for investigating the mobile phone. In principle an absorption meter is a simple device that...
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Barcos en Alta Mar
In Spanish. Play submarine by using trigonometry, learn the law of sines and cosine, build an instrument to measure angles and distance and find out who was the father of Trigonometry.