PART 1:
Look at the following specimens under the microscope: (5)
make a prepared slide for a light microscope and upload your picture on the Class Observations section of TEAMS: ( 5 marks)
moss
blade of grass
paper towel
hair.
Draw these objects under low and medium power. (10 marks)
PART 2: HOW TO MEASURE FIELD OF VIEW and CALCULATE FIELD OF VIEW
Measure the diameter of the field of view of the low view of the microscope.
Write it down in mm. You can convert this to microns by x1000Now calculate the diametre of the field of view.
The formula we use:
dFOV 2 = dFOV 1 x magnification of 1
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magnification of 2
or
dFOV medium = dFOVlow x low magnification
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magnification of medium
dFOV high = dFOVlow x low magnification
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magnification of high
Lab 2 : demonstrate that you can estimate the size of an object. 10 marks
Draw any object under low, medium and high and indicate the diametre of the field of view and also the length of something under the microscope.
1. Draw the ruler under lowest power and tell me the diameter of the field of view.
2. Draw a specimen under low, medium and high . Use a petri dish to draw the circle
3. Calculate the diameter for
a. MEDIUM
b. HIGH
4. Use the diameter of the field of view to measure the SIZE of the object that you drew.
Show your work
