Last year when I was teaching Chemistry 12 (SCH4U) I borrowed two of Aletheia’s (@edaigle) unused diapers with which to conduct an experiment. I even dissected one diaper to get ready for the experiment; then life moved on, time ran out, and the diaper strips sat in a beaker in a lab cupboard until today. […]
We ran our first real lab today. I decided within the first block, a spare period for me, that it was time and that they were ready. “Ready for what,” you ask? Ready to handle acidic (hydrochloric acid) and basic (sodium hydroxide) substances with enough care and professionalism so as not require a trip to […]