Lab 4 background
Look at lab review to see different parts of the microscope
Multiply ocular piece with objective to get total magnification
Compound microscope
Dark field, bright field and phase contrast light
View part of an organism
Look at slides
Dissecting microscope
Transmitted and reflected light
View entire organism
View objects in Petri dishes or glass jars
To learn how to use the microscope
Look at the letter e first
Always focus first with the course adjustment and then with the fine adjustment.
Return microscope to the lowest objective when putting it away.
Animal cells
How are they different from plant cells
Swab the inside of your mouth. Place in a drop of water and add coverslip and methylene blue
Look under the compound microscope.
Plant cells
Take fresh elodea leaf, add water and a coverslip.
Look under the compound microscope.
Dissecting scopes
Look at the different organisms.
Here is a good link for pictures and description of the some of the organisms that we are studying.