This document discusses learning media and styles. It describes 5 students - Panadda, Riangchai, Morakot, and Sarirat - and their preferred media based on learning styles. Panadda likes reading books, Riangchai enjoys investigating new things, Morakot has difficulty with visuals, and Sarirat prefers lectures. The document also contrasts teaching materials with learning media, noting teaching materials focus on conveying content while learning media promote self-learning. It provides an example of designing materials on ionic and covalent bonding covering macro, submicro, and symbolic levels using engagement, simulation, and worksheets.