Gary Loontjer

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Activities (2)

Investigating The South Crow River: Discharge, Turbidity, Erosion, and Sediments part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This is a field investigation where students will gather data about the South Crow River using techniques of their own design and develop a group (multimedia) presentation for class presentation.

Investigating Sound: Using Open Tubes To Demonstrate Beat Notes part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Open tube resonators of nearly identical length produce sound waves with frequencies very close together. The difference between the two frequenciesy is the beat note frequency heard when two resonators (musical intruments)are slightly out-of-tune.