Activity Description In this post-drop CER challenge, students evaluate how well their egg holder protected the egg during the drop. Using the ClaimâEvidenceâReasoning framework, they make a claim about their holderâs success, support it with observations from the test, and explain the outcome using physics concepts such as Newtonâs Laws of Motion, impulse, momentum, and energy transfer. The activity emphasizes reflection on design strengths, weaknesses, and possible improvements, reinforcin