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This Change in Temperature - Exothermic Reaction lesson plan also includes:
Alone, or as part of the intended unit on chemical reactions, this activity allows learners to experience an exothermic reaction. Here, learners add calcium chloride to a baking soda solution and watch the temperature rise! They will also, as an added bonus, see carbon dioxide bubbles and calcium carbonate solid produced! The publisher tagged the unit as appropriate for grades 3 - 8, but it is recommended that this activity only be done with experienced middle school lab classes.
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Pros
- Three results can be observed in this single chemical reaction
- A thrilling lesson that is part of a mini unit on chemical change, which is further part of a tremendous investigation of the properties of matter
- An opportunity to practice specific lab skills
- Impressive teacher and student materiais provided
Cons
- None