Lab Manual - eScience Labs

Lab 4: Introducon to the Microscope
2. Take a tour of the virtual microscope by clicking the “Start Tour” buon on the right
hand side and learn how to use the different controls to effecvely use the simulaon.
3. Once you are comfortable using the virtual microscope, switch views so that you are
looking through the oculars and can look at the slides (be sure your light is on before
you do this or you will have to switch views to hit the power buon!).
4. Select the leer e slide on the top right of the page and examine with the 4X objecve.
Increase the magnificaon unl the leer no longer fits in the field of view. Note this
magnificaon.
5. Select the cheek smear slide on the right side of the page and bring the cells within the
red circle into focus using the 4X, then 10X objecves.
6. View the slide under 40X and 100X objecves, making sure you stay within the red circle.
7. Next, select the onion root p slide on the right side of the page to view. Start with the
4X objecve, and bring the cells within the red circle into focus.
8. Switch to the 10X objecve and readjust the focus so the slide is clear. Connue looking
at the slide under higher magnificaon using the 40X and 100X objecves.
9. On the le hand side of the screen, select the “Try This” box. Under measurement, select
the m1 box to open an acvity that will instruct you how to measure the leer e.
(Remember this number as you will have to report it in Queson 5!)
Note—do not click on the “Try This” instrucon box or the soware may freeze. If this happens,
refresh your browser and start again. You will have to go through the tutorial tour
again in order for the “Try This” box to become available.
Quesons
1. What is the first step normally taken when you look through the oculars?
2. What is the highest objecve you can use to see the enre leer e?
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