John's Experiment: Heating Sand

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In this task, students are asked to evaluate an experiment and support or refute a provided hypothesis about heating two different colors of sand. This task is a classroom-based assessment that is designed independently of any particular curriculum or instructional sequence, and is intended to be used as a formative check  of student understanding of an unpacked "part" (learning performance) of a performance expectation (PE). This task was developed as part of the Next Generation Science Assessment (NGSA) project, and can be found here

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