by cbrookallred | Nov 20, 2014 | Gr 7-8 Science & Tech, Gr. 11-12 Physics
>>> A book review by Sylvia Welke. Stan Taylor, a long-time science teacher, STAO member, and contributor, has written a great little manual for building cool toys that demonstrate the principle of the multiplication of force. Not only can this instructive...
by msander | Nov 6, 2014 | Gr 9-10 Science
The big bang theory is the most accepted theory for the formation of the universe. The “big bang” is a misnomer because there was no explosion, but rather a rapid expansion. It is not known what existed the moment before the big bang, however the evolution of the...
by cbrookallred | Oct 27, 2014 | Gr 4-6 Science & Tech
Contributed by: Cory Telfer …an activity that’ll keep coming back to you Big Idea: Structures and mechanisms throughout our environment have forces that act on and within them Grade 5: Matter and Energy Inquiry Skills Used This is a technological...
by cbrookallred | Oct 20, 2014 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Many teachers demonstrate the reaction of lithium, sodium and potassium with water when discussing the trend in reactivity of the alkali metals. In order to conduct this demo safely, it is imperative that only a small quantity of metal is used and that appropriate...
by msander | Oct 13, 2014 | Gr 7-8 Science & Tech, Gr. 11-12 Chemistry
This discrepant event is based on the surface tension of water. Students predict the number of pennies that can fit into a wine glass filled almost to the brim with water and then have their prediction tested. Part 1. Teacher Demonstration. Materials: wine glass...
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