by msander | Feb 8, 2018 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Where does the water go when a plant is watered? With this experiment, children can discover for themselves how essential the functions of roots and stems are to plant growth. As the colored water is absorbed, students will be able to see how the water is absorbed...
by msander | Feb 8, 2018 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
While serious accidents causing catastrophic injury in high school science activities are rare, when they occur their human toll can be devastating. This post examines one potentially dangerous demo, its hazards and suggestions for safer alternatives. The Rainbow...
by msander | Feb 8, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Physics
Idea Submitted by Doug Fraser. I try to build a camera in the most absurd way I could think of: by starting with a penny. The Selfish Gene by Richard Dawkins: http://amzn.to/2DKkO7k My primary camera: http://amzn.to/2DZO3GD Macro Lens (for shots like the eye):...
by msander | Feb 5, 2018 | All Science Teachers, Safety
Accidents involving electricity can cause shock, burns, and even death. Reviewing and following a few basic rules will help you improve electrical safety when working with hot plates, electrophoresis equipment, power supplies, Van de Graaff generators, etc. Click here...
by msander | Feb 4, 2018 | Gr 1-3 Science & Tech, Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr. 11-12 Biology
Body regeneration is not confined to Doctor Who or fictional worlds, it is actually present in animals that preserve their embryonic stem cells. Subscribe to Earth Unplugged: http://bit.ly/SubscribeToEarthUnplugged and Doctor who: http://bit.ly/SubscribeToDoctorWho...
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