by msander | Apr 16, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Most people don’t need matches, safety glasses and hydrogen gas to crack open an egg. But then again, Steve always finds the most unusual method to do the simplest things. Don’t try this at home. About Steve Spangler Science… Steve Spangler is a...
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 cbrookallred | Mar 30, 2017 | Gr 9-10 Science
In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin. As both strips become negatively charged when rubbed with wool they...
by cbrookallred | Jan 19, 2017 | Gr 9-10 Science, Gr. 11-12 Biology
Introduction Cells require a constant supply of glucose and oxygen to produce energy. Cellular respiration occurs in the mitochondria of a cell. As a result of this process, large quantities of waste carbon dioxide must be expelled from the cell. All materials...
by msander | Jun 22, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. This demo is part of the STAO grade 9/10 demo collection – a series of engaging demos and activities specifically...
Recent Comments