To locate the parts of a microscope and describe the function of each part. The compound microscope has more than one lens that magni. Identify and describe the function of each part of the microscope. This stand rests on the base and supports the stage.
Arm connects to the base and supports the microscope head. At all times you must observe the following rules for its transport, cleaning, use, andstorage. The objective lenses combine with the eyepiece lens to increase magnification levels. Working principle and parts of a compound microscope with. Store the microscope on a flat table or surface where it will not be jostled or knocked over. The term compound refers to the microscope having more than one lens. A compound microscope consists of three main parts. One uses a mirror to converge sunlight while other uses directly an illuminator. Revolving nosepiece rotates to allow use of different power objectives.
The light microscope can extend our ability to see detail by times, so that we can. For an added layer of protection, store the covered microscope in a plastic tub with a lid on it and store the. The compound microscope the microscope is a widely used optical instrument. The compound light microscope is a useful tool in any biology laboratory. Please find it in the same package of the microscope. Parts and function of the compound light microscope objective lenses focuses and magnifies light coming through the slide. Below is a list of parts of a compound microscope, and the definition or function of each. It is a ushaped structure and supports the entire weight of the compound microscope. Microscope a microscope is an instrument used to see objects that are too small for the naked eye. The magnifying power of a simple lens is very limited.
It uses an objective lens that has many powers on a turret and an eyepiece that helps in. Objectives diaphram eyepiece nosepiece stage adjustment knob base tube arm stage clips light source s i e y e p i e c e q l z n v t h w t e t k k x q q m i v t f g i e. Parts of a compound microscope with diagram and functions. These two microscopes mainly differ in the source of light they use.
Microscopes are expensive pieces of precision equip ment, susceptible to damage by. Basic parts of a compound microscope flashcards quizlet. Lift microscope with one hand on base, other on stand gently set microscope down on counter plug in, turn on and adjust light intensity about half way open field and iris diaphragm about half way put the red coded 4x objective in place gives 40x magnification put slide on stage using clip holder. Objectives diaphram eyepiece nosepiece stage adjustment knob base tube arm stage clips light source s i e y e p i e c e q l z n v t h w t e t k k x q q m i v t f g i e f o a m m h p u p g t w d a p e n. The lenses are the parts of the microscope that are responsible for magnifying the object being viewed. Review parts of the microscope find specimens under low and high power make a wet mount be able to correctly use a microscope view cheek cells under the microscope view volvox under the microscope observe pond water under the microscope and carefully draw what is observed. Eyepiece or ocular is what you look through at the top of the microscope.
Microscope parts and functions microscope one or more lenses that makes an enlarged image of an object. Any object you view through this lens would appear 10 times larger than it is. The compound microscope uses lenses and light to enlarge the image and is also called an optical. When viewing a specimen, your eyes will be at the eyepieces, and if you grab the wrong knob by accident, you can lose your image at best, and. You will also learn about magnification, resolution and the parts of the compound microscope. Small platform where the specimen is mounted for examination 10. Holds two or more objective lenses and can be rotated to change power. Large, round knob on the side of the microscope used for rough focusing of the specimen. Ensure that the storage area does not expose the microscope to prolonged periods of direct sunlight. The angle 9 subtended by the optical axis the line joining the centers of all the. Principle of optical microscope compound microscope. Sep 27, 2014 parts and functions of a microscope 1. You can use the word bank below to fill in the blanks or cut and paste the words at the bottom. Label the parts of the microscope using the word bank provided.
Following directions cueing techniques word bank graphic organizers to formulate language paragraph template, diagram procedure. Using the word bank below, identify and label the various parts of. Typically, a compound microscope is used for viewing samples at high magnification 40 x, which is achieved by the combined effect of two sets of lenses. Always keep the microscope upright when handling it. In this lab you will learn the basic skills needed to stain and mount wet slides. Controls the amount of light passing through the slide. Care and structure of the compound microscope the compound microscope is a precision instrument and should always be handled with care. If any specimen solutions or other liquids splash onto the stage, objective or any.
When transporting the microscope, hold it in an upright position with one hand onits arm and the. One such instrument, which is of great importance to biologists and other scientists, is the compound light microscope. It consists of two lens systems combination of lenses to magnify the image. The parts of the merge pages in pdf dissecting microscope are the. The parts of a compound microscope and how to handle them. The parts of a microscope work together in hospitals and in forensic labs, for scientists and students, bacteriologists and biologists so that they may view bacteria, plant and animal cells and tissues, and various microorganisms the world over compound microscopes have furthered medical research, helped to solve crimes, and they have repeatedly proven invaluable in unlocking the secrets of.
Compound and stereo microscopes microscopes 4 schools. In this investigation you will learn how to correctly handle a microscope. Optical parts a mechanical parts of a compound microscope. A compound microscopes helps in magnifying an image in two stages. Light or mirror that projects light through the diaphram 11.
It is used to view smaller specimens such as cell structures which cannot be seen at lower levels of magnification. An objective forms a real inverted image of an object, which is a finite distance in front of the lens. Microscopes generally feature three or four objective lenses, with. The lens the viewer looks through to see the specimen. This activity has been designed for use in homes and schools. When you first sit in front of a microscope, you should always take a second to find the key parts, especially the focus knobs, the condenser adjustment knob if present, and the stage control knobs. Typically,a compound microscope has one lens in the eyepiece,the part you look through. Pdf introduction to microscopy, its different types in optical and. An image of the object specimen is formed by the objective lens, which typically provides a magnification in the range 10x to 100x. Headbody houses the optical parts in the upper part of the microscope. Apart from its relative cheapness and robustness, it has a great advantage in that it can be used with almost any form of lighting. Base supports the microscope, and used for carrying diaphragm regulates the amount of light on the specimen fine adjustment knob moves the stage very slightly up and down to sharpenfocus the image.
In this science worksheet, learners calculate the size of different samples using the microscope as part of a formal lab assignment. Keep the instrument out of direct sunlight, high temperature or humidity, and dusty environments. After studying cell structure and as a way to reinforce and simulate the concept of magnification, students create microsoft powerpoint slides containing one plant and one animal cell. Use two hands to carry the microscope one under the base and one on the arm figure 2. Parts and functions of a microscope linkedin slideshare. A botanist might use a dissecting microscope when examining parts of a. Using the word bank below, identify and label the various parts of a microscope on the diagram. To demonstrate the correct way to care for and use a compound light microscope. A compound microscope is a microscope that uses multiple lenses to enlarge the image of a sample. A high power or compound microscope achieves higher levels of magnification than a stereo or low power microscope.
Microscope parts and their functions landmark outreach. Ensure the microscope is located on a smooth, level and firm surface. It is an extension of the magnifying glass which are used to see very small things. The microscope you will probably be using is a compound microscope. Compound microscope is an optical instrument which is used to obtain high magnification. Labeling the parts of the microscopes including free printouts. There are two optical systems in a compound microscope. Understanding the compound microscope parts and its functions. The lens or system of lenses in a microscope that is nearest the object being viewed 8. Each microscope layout both blank and the version with answers are available as pdf downloads. Put the letter next to the part of the microscope that fits the description. They can be seen, however, with the use of an instrument that magnifies, or visually enlarges, the object. Parts of a eyepiece arm stageclips nosepiece focusing knobs illuminator stage objective lenses head base label the parts of the microscope.
Three different lenses with varying magnifications usually, 4x, 10x, 40x the rotating part of the microscope that holds the objectives. Using a compound light microscope introduction many objects are too small to be seen by the eye alone. A compound light microscope is the most common microscope used in microbiology. The three basic, structural components of a compound microscope are the head, base and arm. Compound microscope is a widely used instrument in the field of life sciences helps solve many mysteries of life. The compound microscope combines two optical lens systems. Parts of a compound microscope microbehunter microscopy. Base of the microscope supports the microscope and houses the illuminator. The chief characteristics of the objective lens are. Always carry with 2 hands only use lens paper for cleaning do not force knobs always store covered keep objects clear of desk and cords parts of a compound microscope eyepiece body tube revolving nosepiece arm objective lens stage stage clips coarse focus fine focus base diaphragm light compound microscope a microscope is a very powerful. A compound light microscope with a single eyepiece is called monocular.
Parts of the compound light microscope flashcards quizlet. Base supports the microscope, and used for carrying diaphragm regulates the amount of light on the specimen fine adjustment knob moves the stage very slightly up and down to. Learn vocabulary, terms, and more with flashcards, games, and other study tools. For the love of physics walter lewin may 16, 2011 duration. It is divided into structural parts and optical parts. Lesson objectives list the contributions of 5 scientists to the development of the microscope explain the different types of microscopes identify parts of a compound microscope be able to correctly use a microscope understand the difference between magnification and resolution be able to. Safety and the compound microscope th e compound microscope is a delicate instrument that needs to be used safely. The science of investigating small objects using such an instrument is called microscopy. It uses an objective lens that has many powers on a turret and an eyepiece that helps in magnifying the image formed by the objective lens.
Parts of the microscope word search why did the police go to the baseball game. The story of medicine and surgery of camelids pdf the first compound more than 1 lens microscope is an interesting one. The lenses are the parts of the microscope that are. The following article will cover information on its parts and functions. Supports all parts and is located at the bottom of the microscope. Eyepiece ocular lens magnifies image produced by objective lens. In its simplest form, it consists of two lenses fig. Identify and describe the function of each part of the. Parts of a microscope printables homeschool creations. The parts of a compound microscope are of two categories as given below. Microscope molecular expressions florida state university. Details about these first jansen microscopes are not clear, but there.
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