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B1: Quiz 5
B1: Quiz 5
1) This question is all about preparing the specimen/ slide when we are using a light microscope.
a) When we are preparing the slide, why do we cut a thin slice of the specimen rather than a thick slice of the specimen?
b) Why would we add a stain to our specimen?
c) When we place the cover slip on our specimen, why do we need to make sure that we do not have any air bubbles?
2)
a) When we are looking at our specimen through a microscope, should we start with the lens that has the lowest magnification or the lens that has the highest magnification?
b) A student looks through the eyepiece of a microscope at the specimen.
i) What is the role of the coarse adjusting knob?
ii) What is the role of the fine adjusting knob?
c) What can the student do if they want to see the specimen with a greater magnification?
d) A student places a ruler on the stage. Why does she do this?
3)
a) When we are drawing our specimen, do we use unbroken lines; yes or no?
b) When we are drawing our specimen, do we shade/ colour in any areas; yes or no?
c) When we are drawing our specimen, should we make our drawing small or large?
d) What are 3 other things that we need to include on our sketch?
a) When we are preparing the slide, why do we cut a thin slice of the specimen rather than a thick slice of the specimen?
b) Why would we add a stain to our specimen?
c) When we place the cover slip on our specimen, why do we need to make sure that we do not have any air bubbles?
2)
a) When we are looking at our specimen through a microscope, should we start with the lens that has the lowest magnification or the lens that has the highest magnification?
b) A student looks through the eyepiece of a microscope at the specimen.
i) What is the role of the coarse adjusting knob?
ii) What is the role of the fine adjusting knob?
c) What can the student do if they want to see the specimen with a greater magnification?
d) A student places a ruler on the stage. Why does she do this?
3)
a) When we are drawing our specimen, do we use unbroken lines; yes or no?
b) When we are drawing our specimen, do we shade/ colour in any areas; yes or no?
c) When we are drawing our specimen, should we make our drawing small or large?
d) What are 3 other things that we need to include on our sketch?