by msander | Aug 19, 2019 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech
This is a picture of my front lawn. You might see a decided absence of grass. When I first moved here, it took me almost 2 hours to cut the grass in the front and back yard. At my wife’s urging she suggested that we plant trees to make the busy road in front of our...
by msander | Aug 4, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science
The Perseid meteor shower, which can produce upwards of 100 meteors per hour in a dark-sky location, is happening now. Here’s what you need to know. Source: Eyes to the sky for one of the best meteor showers of the year, the Perseids | CBC News
by msander | Aug 1, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Who would have ever thought that a plastic bag, some water, and a few pencils would have adults screaming with fear? Learn how to poke holes in a plastic bag filled with water without spilling a drop. Well, that’s the theory you’re going to test… and it’s wise...
by msander | Jul 16, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science
In 1962, President John F. Kennedy declared, “We choose to go to the moon.” Just seven years later, the first steps were taken on the lunar surface by Apollo astronauts Neil Armstrong and Buzz Aldrin. Source: Remembering Kennedy’s bold call to go to...
by msander | Jul 10, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Susanne Åkesson, Professor of Evolutionary Ecology at Lund University in Sweden, has been awarded the prestigious Ig Nobel Prize. The prize, which she shares with six other researchers from Hungary and Spain, was presented to them for their discovery that white horses...
by msander | Jun 28, 2019 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
You probably know that voltaic batteries come in all kinds of shapes and sizes, from tiny button batteries to car batteries to huge industrial heavy-weights. They turn chemical energy into the electrical energy that people use to power clocks, toys, cell phones,...
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