by msander | May 29, 2017 | Gr. 11-12 Chemistry, Gr. 11-12 Physics
There’s a concept that’s crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. It’s entropy, and it’s notoriously difficult to...
by cbrookallred | Mar 20, 2017 | Gr. 11-12 Physics
A pendulum is constructed from a 1.0-kg mass suspended from the ceiling, with a length of strong string long enough so that, when pulled about 40o from the vertical, the mass comes to nose level. The pendulum will be released from this position. The demonstrator is...
by msander | Feb 2, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
If you ever find yourself stranded in the snowy Arctic (or bored in Minecraft), you’re gonna need to know how to build an igloo. But how can building a house made of ice keep you warm? The science behind building an igloo is the same reason that otters and reindeer...
by msander | Jan 1, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Armed with a hammer made from mercury, Olympia Brown explains the third law of thermodynamics. Tell us what you think about our videos, and win £100 https://www.surveymonkey.co.uk/r/QCVL88N Subscribe for new science videos and lectures every week:...
by msander | Jun 29, 2015 | Gr. 11-12 Physics
Roller Coaster Science: Thrills, Chills, and Physics 06/19/15See Comments Features SHARE THIS: The first roller coaster at Coney Island, which opened in June 1884, would barely rate in the kiddie section of a modern-day amusement park. The “Switchback Railway”...
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