This demonstration reviews the concept of density. It examines why certain objects float or sink in water and highlights some interesting information about cola versus diet cola soft drinks.
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Teacher Demo: Magnetic Braking
Categories: Teacher Demonstration
This very simple to perform demo can be made very memorable by ensuring the students see it as a discrepant event. Students are expecting to see a free fall but instead see a low terminal velocity... read more
Teacher Demo: Turning Water into Wine into Milk into Beer
Categories: Teacher Demonstration
Turning water into wine and then into beer and finally milk is an extremely versatile chemistry demonstration. It can be used to introduce or reinforce several important concepts in chemistry... read more
Teacher Demo: Ballistic Cart
Categories: Teacher Demonstration
This demonstration shows the independence of the horizontal and vertical components of velocity. It can also be used to introduce frames of reference. The ballistic cart propels a steel ball out of... read more