We might not have unified electrodynamics until 1865, but we’ve known light was a wave since the original double-slit experiment in 1801. Let’s talk about diffraction and wave interference.
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Categories: Gr. 11-12 Physics
This very simple to perform demo can be made very memorable by ensuring the students see it as a discrepant event. Students are expecting to see a free fall but instead see a low terminal velocity... 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 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
https://youtu.be/hbXDLKFkjm0 For a long time we thought the Moon was completely dry, but it turns out there are actually three sources of lunar water. Thanks to Google Making and Science for... read more
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