In this demonstration, a beam of laser light is forced to follow the curved path of a stream of water.
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Teacher Demo: Crushed Can - The Power of Atmospheric Pressure
Categories: Teacher Demonstration
This is a classic demonstration that illustrates the power of atmospheric pressure. A small amount of water is heated in a pop can. The can is inverted and submerged in ice-cold water. As a result,... read more
Teacher Demonstration: Carbon Use by an Aquatic Plant
Categories: Teacher Demonstration
This activity demonstrates the use of carbon by an aquatic plant. The process of photosynthesis can be represented by the reaction: CO2 + H20 + light _ C6H12O6 + O2. There are two distinct steps: the... read more
Teacher Demo: Eggmosis
Categories: Teacher Demonstration
Osmosis is the process by which the concentrations of two solutions equalize across a selectively permeable membrane. Osmosis is necessary for the digestive and excretory systems to function. This... read more