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 with no obvious source of friction.
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Teacher Demo: Chemiluminescence
Categories: Teacher Demonstration
This demonstration is definitely an eye-catching crowd-pleaser. It is a great demonstration to show the interconnection between physics and chemistry, linking an example of light emission to evidence... read more
Teacher Demo: From Gums to Bums
Categories: Teacher Demonstration
This demonstration uses food and a series of containers and additives to model the process of mechanical and chemical digestion in the human (mammalian) digestive system. The demonstration begins... read more
Teacher Demo: What's in your breath? Neutralization Reactions
Categories: Teacher Demonstration
This activity involves the surprising neutralization reactions between the carbonic acid that forms when the carbon dioxide in one's breath reacts with water and calcium hydroxide. read more