by cbrookallred | Apr 13, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
This demo illustrates the presence of atmospheric air pressure and shows how the force that it exerts is greater than the force of gravity in some situations. Procedure Wear appropriate PPE: safety goggles. Fill the glass with water right up to the brim. Place the...
by cbrookallred | Apr 11, 2017 | Gr 4-6 Science & Tech
All tree flowers produce fruit that encases seeds. Tree seeds spread throughout the surrounding habitat in many ways. Some seeds stick to things, others bounce when they land, and some are even light enough to travel long distances with the air currents. Looking at...
by msander | Apr 5, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Physics
The definitive answer about the direction water swirls in two hemispheres Sync the videos yourself: http://toiletswirl.com For the record Destin and I repeated the experiment 3-4 times each in each hemisphere and got the same results every time. The idea that water...
by cbrookallred | Apr 2, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
This is a simple, yet extremely effective model of human lungs. Students are able visualize how the lungs, thoracic cavity and diaphragm work together to facilitate inhalation and exhalation. This model can be prepared before class to be used as a demonstration and...
by msander | Apr 2, 2017 | Gr 4-6 Science & Tech, Gr 9-10 Science
A true illustration of our place in the universe Source: To Scale: The Solar System Drawn in the Nevada Desert – The Atlantic – The Atlantic
by cbrookallred | Mar 24, 2017 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
Scientists announced on March 1, 2017 that they’ve identified the remains of 3,770-million-year-old microorganisms. , now the oldest known microfossils on Earth. The discovery is in the form of tiny filaments and tubes – formed by bacteria – that lived on iron. They...
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