Solids Rule as Precipitates Form
Fourth graders mix two solutions containing dissolved ions, one containing calcium and the other containing carbonate, which form the precipitate CaCO3. Stoichiometry can be employed to determine the actual yield and percent yield of the product.
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Where’s the Water?: Acting Out Science Cycles
Young scientists transform themselves into rivers, oceans, clouds, and drops of water in order to explore the water cycle. After assigning and explaining to students their different roles in the activity, the teacher reads aloud a...
2nd - 5th Science CCSS: Adaptable