The part that moves the stage up and down a lot (visibly). What does the Coarse Adjustment Knob do? You hold the microscope with two hands using these parts. What are the Arm and Base used for? Used for more detailed focus. Also the only focus used at medium and high power. When is the Fine Adjustment Knob used? The part that you put the slide (containing the specimen) on. What is the Stage? Multiply the objective lens power by the eyepiece lens power to find this. What is Total Magnification? It holds the eyepiece onto the rest of the microscope. What is the Body Tube for? They hold the slide in place on the stage What do the Stage Clips do? This part turns the objective lenses. What is the Revolving Nosepiece for? The part that moves the stage up and down a lot (visibly). What does the Coarse Adjustment Knob do? You hold the microscope with two hands using these parts. What are the Arm and Base used for? Used for more detailed focus. Also the only focus used at medium and high power. When is the Fine Adjustment Knob used? The part that you put the slide (containing the specimen) on. What is the Stage? Multiply the objective lens power by the eyepiece lens power to find this. What is Total Magnification? It holds the eyepiece onto the rest of the microscope. What is the Body Tube for? They hold the slide in place on the stage What do the Stage Clips do? This part turns the objective lenses. What is the Revolving Nosepiece for?