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The Draw-A-Scientist Test (DAST) is an open-ended projective test designed to investigate children's perceptions of the scientist. Originally developed by David Wade Chambers in 1983, the main purpose was to learn at what age the well known stereotypic image of the scientist first appeared.
Xploration Awesome Planet [2] (since September 13, 2014): Hosted by Philippe Cousteau Jr., this series features a detailed look at earth science and geology. [12]Xploration DIY Sci, also called DIY Sci, (since September 10, 2016): A pop-science series featuring the host, Steve Spangler, creating experiments using everyday items. [13]
Hertz wireless experiments (1887): Heinrich Hertz demonstrates free space electromagnetic waves, predicted by Maxwell's equations, with a simple dipole antenna and spark gap oscillator. Thomson's experiments with cathode rays (1897): J. J. Thomson's cathode ray tube experiments (discovers the electron and its negative charge).
This category is devoted to simple classroom experiments as part of Chemistry education. Pages in category "Chemistry classroom experiments" The following 25 pages are in this category, out of 25 total.
Simple English; Slovenščina; ... Space science experiments (4 C, 65 P) Pages in category "Science experiments" The following 28 pages are in this category, out of ...
Science Max: Experiments at Large is a Canadian children's television series, which premiered on TVOntario's TVOKids and Da Vinci Kids programming block in 2015. [1] Hosted by Phil McCordic , the series educates viewers about science through large-scale experiments to demonstrate scientific principles.
This problem can be easily handled by simply opening the stopper at the top of the funnel routinely while mixing. More standard procedure is to invert the separating funnel upside down, and open the stopcock to release the pressure, a step done repeatedly known as 'venting'. This should be done with the tip of the funnel pointed away from the body.
The aqueous solution in the classical reaction contains glucose, sodium hydroxide and methylene blue. [14] In the first step an acyloin of glucose is formed. The next step is a redox reaction of the acyloin with methylene blue in which the glucose is oxidized to diketone in alkaline solution [6] and methylene blue is reduced to colorless leucomethylene blue.