This learning resource, titled 'Deep-Sea Word Detective,' is designed to engage students in understanding and defining the term 'lucid fauna' through examples found in deep-sea environments. It describes how different bioluminescent creatures, such as glowing jellies, bioluminescent shrimp, and lantern fish, illuminate the dark waters of the Midnight Zone. The resource encourages students to infer the meaning of 'lucid fauna' by listing examples, crafting a definition, and reasoning how these examples support their understanding. It also prompts learners to assess their confidence in their definitions, fostering critical thinking and comprehension skills.