Strong, weak, and disconfirming evidence are key criteria in evaluating scientific arguments, as outlined in this rubric. Use this tool to assess students’ scientific reasoning, evidence classification, and argumentation skills aligned with inquiry-based learning and the scientific method. This resource forms part of the following teaching guides: • What Happened at Cleveland-Lloyd Dinosaur Quarry? • Who Wins and Who Loses in a Rapidly Changing Forest? • What Dinosaur Did These Bones Come From? • Decomposition - It’s a Dirt-y Job! • Insect Apocalypse