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Science Stars: Rainbow Stacking

8th Grade Lesson Plan

Students will plan and carry out an experiment which tests the densities of 5 different water samples. After successfully completing the experiment, students will have five colors of water stacked in a straw and understand the relationship between salinity and density.

8.a. Students know density is mass per unit volume d. Students know how to predict whether an object will float or sink. 9.a Plan and conduct a scientific investigation to test a hypothesis

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