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Penny in cup - Bernoulli's Principle part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Fun demo to show Bernoulli's Principle in action.

Boiling water with ice: Effect of pressure on the boiling point of water part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This guided inquiry activity, in which ice is used to boil water in a Florence flask, works well in the introductory class to a chemistry or physical science course. The students will learn the difference between observation and inference and apply this understanding to various other situations in which observations and inferences must be made. The students will also use outside sources to try to explain why the activity worked.