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This activity uses the height of the North Star, Polaris, in the northern horizon as a means of determining the observer's latitude. This link between the height of the star and the latitude was critical for navigation by peoples in the Northern... (View More)

This field activity introduces students to the concept of a system. Students identify the components, inputs and outputs of the local system at a range of biometry study sites, as well as the boundaries of their investigations at these sites in... (View More)

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