Microscope Unit Test Section 1 Microscope Parts: Write the number of the parts of the microscope in the drawing by the blank next to the part’s name. ________ Revolving Nosepiece ________ Ocular Lens ________ Coarse Adjustment Knob ________Objective Lens ________Stage Stop ________Diaphragm ________Light Source ________Stage Clip ________Stage ________Body Tube Section 2 Microscope Functions: Write the name of the microscope part in the blank next to its function. ________________________ Provides light through the slide ________________________ Keeps the stage from bumping into the slide ________________________ Lens closest to the specimen on the slide ________________________ Lens at the top that you look through ________________________ Holds the slide in place ________________________ Regulates the amount of light going through the slide ________________________ Holds the objective lenses ________________________ Platform where you place the slide ________________________ Moves the stage up and down to focus the specimen ________________________ Connects the eyepiece to the rest of the microscope Section 3: Short Answer Questions Directions: Answer all of the following questions in complete sentences. 1. How do you calculate the total magnification you’re looking at a specimen with? Give an example to support your statement. 2. Explain why you begin viewing a specimen with the 4X objective lens and the stage all the way up. 3. Explain how you correctly put a cover slip on a slide. Why do you put it on that way? 4. Explain the proper way to put up a microscope when you are finished with it. Why is this important? Part 4: Short Essay Questions Directions: Choose three of the following four prompts to answer in paragraph form. Each of your paragraphs must: a) Start with a proper topic sentence that introduces your paragraph. b) Include enough details to completely support your answer. c) Have appropriate spelling, punctuation and grammar. 1. Explain the steps you take to correctly create a wet mount slide of a dog hair. 2. Describe the process of finding a specimen on a slide you have made, focusing it and increasing the total magnification from 40X to 100X. 3. The microscope’s lamp is turned on, but you cannot see your specimen. Describe three things you should check on to make the image totally focused and “crystal clear” so you can draw it. 4. Explain why each of the CORE values is especially important when using microscopes. Give specific examples from class to support your statements.