Assess the ability to apply UDL principles to design a complete 45-minute secondary science lesson (grades 9–12) that includes clear objectives, an instructional sequence with estimated timings, materials and tech supports, multiple means of engagement/representation/action & expression, differentiation for diverse learners (including students with disabilities and ELLs), formative assessment (including an exit ticket), classroom management considerations, and a brief justification linking each design choice to specific UDL guidelines and expected student outcomes.