Penguin Circuit

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  • Toy can be used to model (by analogy) a simple DC circuit.
  • Penguins represent charges.
  • Track represents wires.
  • Escalator represents battery.
  • It’s a little goofy, but audiences love it.
  • Located in Lo1, section B3.

Human Arm Model

human arm model

arm model 2

  • Human arm model can be used to show how muscle tension in bicep (or tricep) relates to magnitude of force on hand, in various orientations.
  • Picture above shows how 12 N of muscle tension are required to hold a mass weighing 1 N, in the hand, when the forearm is held at a 90 degree angle.
  • Model allows for several different configurations and activities. See: https://www.pasco.com/prodCatalog/PS/PS-2611_human-arm-model/index.cfm
  • Located in L02, section B4.