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Wisc-Online is Moving — But Not Going Away

In December 2025, the Wisc-Online website will be retired. But don’t worry—the Wisc-Online brand and a collection of your favorite learning resources will live on at WisTech Open, Wisconsin’s new hub for open educational resources.

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Phase Diagrams

By Debbie McClinton Dr. Miriam Douglass Dr. Martin McClinton

Learners examine phase diagrams that show the phases of solid, liquid, and gas as well as the triple point and critical point.

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Energy in Chemical Reactions

By Dr. Miriam Douglass

In this animated and interactive object, learners examine kinetic and potential energy as well as the first law of thermodynamics and the flow of energy between a system and its surroundings. Students also answer questions about exothermic and endothermic reactions

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Changes in Our World: Chemical and Physical (Screencast)

By Deb Simonson

In this screencast, learners examine the kinds of physical and chemical changes that occur in substances.

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The Structure of an Atom

By Jill Larson

Students examine atomic structure and the octet rule.

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Calculating Formula Weight and Molecular Weight

By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton

In this interactive object, learners calculate formula and molecular weights by working through five examples and two problems.

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