by msander | Feb 23, 2017 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
For a long time we thought the Moon was completely dry, but it turns out there are actually three sources of lunar water. Thanks to Google Making and Science for supporting the new channel! http://youtube.com/makingscience Thanks to Patreon supporters: Nathan Hansen,...
by cbrookallred | Feb 23, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Predator–prey relationships are one of the most important biotic relationships in the sustainability of an ecosystem. Predators are the natural controls in an ecosystem, limiting the size of a prey population. Many studies have illustrated that the long-term...
by msander | Feb 20, 2017 | All Science Teachers, Safety
WHMIS 2015 WHMIS 2015 covers a wide range of hazardous chemicals and substances (called “controlled products”), including everyday chemical products found in workplaces, such as cleaning supplies, adhesives and solvents. Although not as dangerous as other controlled...
by cbrookallred | Feb 20, 2017 | Gr 1-3 Science & Tech
Many children can identify that water exists in 3 states within our natural environment. Understanding that it is the very same water that undergoes changes of state presents far more of a challenge to children in grade 2. The following experiment is simple yet...
by cbrookallred | Feb 20, 2017 | Gr 9-10 Science
In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to make paper circles stand on their edges inside a Petri dish. This demo introduces students to the charging of materials by induction as opposed to charging by...
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