www.facinghistory.org/resource-library/teaching-strategies/barometer-taking-stand-controversial-issues

This classroom activity, which can be used in a variety of instructional contexts, engages students in broadening and deepening their perspectives by inviting them to literally and figuratively take a stand on a debatable issue, explain their positions, and consider other viewpoints. The routine describes several steps to ensure smooth implementation, including establishing a student contract to maintain a safe and respectful learning environment.