This task asks students to describe why, when a certain amount of iron wool is burned, the resulting substance has more mass that the iron wool did in the first place. This task is intended to be used as an assessment of student understanding of an unpacked "part" (learning performance) of a performance expectation (PE). This task was developed by the team at CREATE for STEM at Michigan State University.
Click here to download the task annotation.
Click here to download a summary of the task’s strengths and opportunities for improvement.