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4. Study the diagram of microscope below. This time, take note of the different parts of a microscope. Label your drawing in your answer sheet using figure 4 as your reference. Ocular lens - usually 10X magnification Revolving nosepiece Medium-power objective lens High-power objective lens Stage clip - holds slide firmly in place Stage - supports slide Iris diaphragm - regulates the light Body tube Low-power objective lens Arm - connects the base and barrel Coarse focus - raises and lowers the stage for focusing Fine focus - slightly moves the stage to sharpen the image Projection lens Base - supports the microscope Power switch - turns the illumination on and off Figure 4: Labeled diagram of a compound microscope http://resource2.rockyview.ab.ca/science10/Science%2010%20Unit%203%20Cycling%20of%20Matter%20in%20living %20Systems/Sci10U3L2/Sci10U3L2.htm

          4. Study the diagram of microscope below. This time, take note of the different
parts of a microscope. Label your drawing in your answer sheet using figure
4 as your reference.
Ocular lens - usually 10X magnification
Revolving nosepiece
Medium-power
objective lens
High-power
objective lens
Stage clip - holds slide
firmly in place
Stage - supports slide
Iris diaphragm - regulates the light
Body tube
Low-power
objective
lens
Arm - connects the base
and barrel
Coarse focus - raises and
lowers the stage for focusing
Fine focus - slightly moves
the stage to sharpen the image
Projection lens
Base - supports
the microscope
Power switch - turns the
illumination on and off
Figure 4: Labeled diagram of a compound microscope
http://resource2.rockyview.ab.ca/science10/Science%2010%20Unit%203%20Cycling%20of%20Matter%20in%20living
%20Systems/Sci10U3L2/Sci10U3L2.htm

4. Study the diagram of microscope below. This time, take note of the different
parts of a microscope. Label your drawing in your answer sheet using figure
4 as your reference.
Ocular lens - usually 10X magnification
Revolving nosepiece
Medium-power
objective lens
High-power
objective lens
Stage clip - holds slide
firmly in place
Stage - supports slide
Iris diaphragm - regulates the light
Body tube
Low-power
objective
lens
Arm - connects the base
and barrel
Coarse focus - raises and
lowers the stage for focusing
Fine focus - slightly moves
the stage to sharpen the image
Projection lens
Base - supports
the microscope
Power switch - turns the
illumination on and off
Figure 4: Labeled diagram of a compound microscope
http://resource2.rockyview.ab.ca/science10/Science%2010%20Unit%203%20Cycling%20of%20Matter%20in%20living
%20Systems/Sci10U3L2/Sci10U3L2.htm

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