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This Changing the Density of a Liquid - Adding Salt lesson plan also includes:
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced by a carrot slice floating higher in the liquid.
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Pros
- Lab sheet questions stimulate critical thinking and provide a clear procedure
- A valuable component of a comprehensive mini unit on density
- Teachers are well supported by directions, answers, and assessment criteria
Cons
- None