Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?
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Categories: Gr. 11-12 Physics
Introduction The collision of objects is a great way to demonstrate the conservation of momentum. Engage students by having them drop and collide toy balls of different mass and size. The results... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
https://youtu.be/ipzFnGRfsfE Since ancient Greek times, philosophers and scientists have tried to figure out what an atom looks like. For a couple thousand years, humans could only speculate on the... read more
Categories: 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:... read more
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