Scope Review 07

Scope Review 07 - Biology 1111 Lab 1 part a: MICROSCOPY A....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
A. Introduction The topic of this lab is microscopy and basic observations . You will learn the parts of the compound light microscope, how it functions and then use the microscope to do several exercises with prepared and live specimens. The compound scope and the stereo dissection scope will be used again later labs. You will need these skills in upper level biology courses as well. If you have used a microscope before, some of this will be a review. Help your lab partners if they are new to the microscope. Group work is an important component of the 101 lab. Some general rules for the use and care of this instrument are as follows: 1. Always carry a microscope with both hands and in an upright position. One hand grasps the arm and the other supports the base. 2. Use only lens paper for cleaning the lenses. Lens paper is on your bench. Soak the lens paper with alcohol and clean the ocular and objective lenses, then dry. 3. When using the microscope, always start on the lowest magnification. Raise the stage to its highest position looking from the side of the scope NOT through the ocular lens or eyepiece. When focusing, turn the focusing (fine or coarse) so the stage lowers. This prevents the slide from hitting and damaging the objective lens. 4. Before the scope is put away , swing the lowest power objective into position, raise the stage to its highest position . Center the slide mover . Check to see that there are no slides left on the stage. Reduce illumination intensity to the minimum and turn off the power switch. 5. You will be assigned the same scope each laboratory and will have to sign it out. If anything is wrong with your scope, report it to your instructor immediately. If there is a problem and you do not report the problem immediately, you may be held responsible for any damage. Return the scope to its numbered bin with the stage lowered, slide holder centered, lower power objective in place, the cord wrapped around base neatly and the scope dry and clean. If it is not in this condition when you remove it from its bin, let your lab instructor know immediately so you don’t have to take the rap. B. Exercise 1: Identifying the parts of a compound microscope Obtain the microscope from the scope cabinet whose number corresponds to the number on the bench where you are sitting. You will use the same microscope for all labs. Identify the following parts on your microscope using the diagram at the back of the handout or those on the lab bench or wall posters. 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Scope Review 07 - Biology 1111 Lab 1 part a: MICROSCOPY A....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online