Tuesday, October 18, 2022
Slime
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One of the most popular school holiday "science projects" is to make slime by adding an aqueous solution of borax to PVA glue. You...
Saturday, September 17, 2022
Decline in Student Entrollments in Academic Subjects
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This fabulous graph of enrollments in the most popular HSC subjects over time was published in the Sydney Morning Herald today: In th...
Tuesday, June 28, 2022
Polymerize or Polymerise?
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A polymer is produced when lots of monomers bond together. Monomer has Greek roots, mono meaning one and mer meaning parts. Polymer also h...
Monday, June 27, 2022
Ionize or Ionise?
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In chemistry we have a verb to describe the process of producing ions, but how do you spell it? Is it ionize? (rhymes with prize) Or is it ...
Friday, June 17, 2022
Underwater Bubbles
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A backyard experiment you can do that will help you see Boyle's law in action. https://www.youtube.com/watch?v=aHvGtWXTdso You will f...
Saturday, June 4, 2022
Let's Go SCUBA Diving
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In 2021, Mitchell Goodwin, an experienced SCUBA diver, was diving off the coast of Mandurah in Western Australia. According to the report in...
Saturday, May 14, 2022
Periodic Table update
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IUPAC has updated the periodic table. Time to update yours .... https://iupac.org/wp-content/uploads/2022/05/IUPAC_Periodic_Table-04May22....
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