This engaging video gives us a detailed explanation of how we hear, the fundamentals of sound production, the overtone series, and how we distinguish one sound from another.
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Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics, Safety
Question: The STAO Safe on Science document (2011) indicates that only class 1 and class 2 lasers are recommended for use in high school science classes. Many of the documents that I have examined... read more
Categories: Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
As March 2017 opens, the waxing crescent moon joins up with Venus, Mars (and Uranus) in the western sky after sunset. Mars remains a rather feeble evening object for the next few months, but March... read more
Categories: Gr. 11-12 Chemistry, Gr. 11-12 Physics
[embed]https://www.youtube.com/watch?v=v-1zjdUTu0o[/embed] The Photoelectric effect helps to illustrate the wave-particle duality of Light. The National STEM Centre has more free teaching... read more
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