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 2017 presents the grand finale of Venus, the sky’s brightest planet, as the evening “star.” Day by day, Venus sets sooner in the west after sunset. On the opposite side of the sky, Jupiter, the second-brightest planet, is rising sooner each evening.
Categories: Gr. 11-12 Physics
https://youtu.be/uWChuDS-CbQ In this video I talk about how a Newton's cradle works and a piece of the explanation that is usually left out. Then I put the Newton's Cradle in the vacuum... read more
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
https://youtu.be/avs_bVpesSU It’s estimated that over 175 million Americans will participate in Halloween activities this year spending nearly $9 billion on all that fun. Every year our 9NEWS... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
https://youtu.be/1xVqwYxe4Gw It’s almost time to ring in 2017. And since most New Year’s celebrations include alcohol, Reactions’ latest episode explains the chemistry behind its effects –... read more
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