Microscopes Review Sheet Answers PDF

Name_____________________ Microscope Review Sheet ANSWERS Question Answer 1.​ What is a microscope and what is it A tool used in biology to magnify objects used for? 2.​ Who was Robert Hooke and...

Name_____________________ Microscope Review Sheet ANSWERS Question Answer 1.​ What is a microscope and what is it A tool used in biology to magnify objects used for? 2.​ Who was Robert Hooke and what He used a basic microscope to observe a was he known for? thin piece of cork. He observed tiny boxes, which he named cells. 3.​ Who was Anton Van Leewenhoek -Known as the father of microscopy. and what was he known for? -He built over 240 microscopes. -Observed pond water and saw tiny organisms that he names “tiny animalcules”. 4.​ How many types of microscopes are 3 different types of microscopes there? What are the names of these -compound light microscope microscopes? -stereo microscope -electron microscope 5.​ What is magnification? A measure of how much the image is enlarged 6.​ What is resolution? A measure of the clarity of an image 7.​ What is a compound light It allows light to pass through a thin microscope used to do? specimen and uses two lenses to form an image (ocular + objective) 8.​ What is the magnification of a compound light microscope? 40-400X 9.​ What is the magnification of the ocular lens? (eyepiece) 10X 10.​ What are the magnifications of the objective lenses on a compound light Low- 4x microscope? Medium-10x High-40x 11.​ How do you calculate the total Ocular x objective magnification for each lens on a compound light microscope? low= 10x4=40x medium= 10x10= 100x high= 10x40=400x 12.​ What is the function of the revolving The revolving nosepiece holds the 3 objective nosepiece? lenses. It has the ability to turn to change from one lens to another. 13.​ What is the stage used for? The stage holds the slides for viewing. 14.​ Describe the purpose of the The diaphragm regulates the amount of diaphragm. light that enters the aperture (hole) in the stage. 15.​ What is the proper way to hold a One hand through the arm and another compound light microscope? under the base. 16.​ Describe the difference between the Coarse- moves the stage up and down a coarse focus knob and the fine focus significant amount. Can only be used in low knob. or medium power. Fine-moves the stage slightly and is used to sharpen the image. Can be used with all objective lenses. 17.​ How is a slide held in place? A slide is held in place on the stage using the stage clips. 18.​ What is a stereo microscope used A stereo microscope is used to magnify the for? details on the outer surface of an object. Light reflects off the object, it does NOT pass through. 19.​ What is another name to identify a Dissecting microscope stereo microscope? 20.​ What is the magnification of a 10-40x stereo microscope? 21.​ What is an electron microscope used An electron microscope passes electrons for? through a specimen to view objects at a atomic level 22.​ What is the magnification of an 2000-10,000,000x electron microscope? 23.​ What type of microscope does not Electron microscope use light? 24.​ What type of microscope can only be Electron microscope- it is very expensive and found in hospitals, labs and college large campuses? 25.​ Which type of microscope requires Compound light microscope. very thin specimens so light can pass through?