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props:start 2016/09/29 11:34 props:start 2018/07/26 13:30 current
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==== Paddle Wheel ==== ==== Paddle Wheel ====
 +A paddle wheel (in this case, made out of snap-together constructive toys) can be used to demonstrate the effect of a force vector field on a physical system.
 +{{props:kinexpaddlewheel.jpg?250|paddlewheel}}
==== Pumpkin Quarters ==== ==== Pumpkin Quarters ====
 +A pumpkin that has been sectioned into quarters can be used as an interactive physical representation of a spherical coordinate system.
 +{{props:pumpkinquarter.jpg?250|pumpkinquarter}}
==== Pineapple Sections ==== ==== Pineapple Sections ====
 +Canned pineapple sections can be used as an interactive physical representation of a cylindrical coordinate system.
 +
 +{{props:pineapplesections.jpg?250|pineapplesections}}
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 +==== Surfaces ====
 +
 +We use plastic surfaces of multivariable functions that are dry-erasable, transparent, and lightweight. The surfaces were created as part of the [[https://raisingcalculus.winona.edu/|Raising Calculus to the Surface]] and [[https://osuper.science.oregonstate.edu/content/raising-physics-surface|Raising Physics to the Surface]] projects. Surface Kits include a surface, its corresponding laminated contour map, and a slope measurement tool.
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 +{{props:mathsurfaces3.png?250|Raising Calculus Red Surface}}
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 +
 +==== Contour Maps & Vector Maps ====
 +
 +We print out contour maps or vector maps and put them in dry-erasable sleeves. Often, our maps correspond to plastic surfaces.
 +
 +{{props:vectormap.jpg?250|Vector Map Example}}

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