Flame-retardant chemicals can slow the spread of fire in homes and garments. But are these compounds naughty or nice? This week on Reactions, we ask whether old Saint Nick might want a flame-retardant suit…or choose to opt out. Continue reading
Human brains are complicated – the most complicated thing in the known universe, many people say. So far we understand little – just that certain regions of the brain appear to be involved in certain activities and certain disorders. Continue reading
University of Waterloo professor Donna Strickland has received her Nobel Prize in Physics during a ceremony Monday in Sweden.
Source: Guelph native, U of W prof Donna Strickland collects Nobel Prize | CBC News
Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood! Continue reading
Add a drop of clear solution to a microscope slide containing a tiny piece of copper and create a beautiful, silver-branched holiday tree that grows before your very eyes! Continue reading
The link below takes you to two very useful demonstrations to illustrate Inertial which follow the Predict, Explain, Observe, Explain (PEOE) format.
It is suggested that both demos are performed before introducing Newton’s First Law of motion.
Inertia PEOE by Michael Balzer
Thanks again for the great resource Michael!!!