This demonstration shows that the combination of yeast, sugar and water will produce a gas that can be collected. This provides students with an opportunity to draw on prior knowledge to identify the cellular process involved. Students also have a chance to predict the gas produced and determine a way to test their prediction.
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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
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Categories: Lab/Student Activity, Teacher Demonstration
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Teacher Demo/Student Activity: Potato Osmosis
Categories: Lab/Student Activity, Teacher Demonstration
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