[Solved] Piaget divided the stage of formal operations into how many substages? A) 2 B) 3 C) 4 D) 5 Slide Clips: Small devices or holders used to secure slides in place during presentations or in a microscope. Specimen Slide: A thin glass plate on which specimens are placed for examination under a microscope. Microscope: An instrument used to see objects that are too small for the naked eye, expanding our understanding of microscopic worlds. Condenser: A device or unit used to condense a substance from its gaseous to liquid state, commonly found in HVAC systems, refrigeration, and laboratory apparatus.