Physical and Chemical Changes - Making Toffee

Fourth graders make toffee to observe both physical and chemical changes. They determine what types of changes that are caused by the cooking process and which are chemical, and which are physical. In order to do this they follow a recipe, mix ingredients, cook them, pour them into a pan making observations throughout the process.

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Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
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Fine Print