Microscope Definitions
  • 1. The opening in the center of the stage that allows light through so the object can be easily seen on the slide.
A) Body Tube
B) Arm
C) Base
D) Aperture
  • 2. Supports the tube and is used for carrying the microscope.
A) Diaphragm
B) Aperture
C) Fine Focus Knob
D) Arm
  • 3. The bottom of the microscope. It is used for support.
A) Diaphragm
B) Nosepiece
C) Base
D) Aperture
  • 4. Connects the eyepiece to the objective lenses. Light passes from the objective lens to the eyepiece through this.
A) Body Tube
B) Base
C) Nosepiece
D) Fine Focus Knob
  • 5. Used to focus the image under low power. Focusing begins with this part of the microscope.
A) Coarse Focus Knob
B) Fine Focus Knob
C) Arm
D) Objective Lenses
  • 6. A disk located under the stage. It is used to control the amount of light that comes up through the aperture.
A) Coarse Focus Knob
B) Diaphragm
C) Base
D) Fine Focus Knob
  • 7. Used to focus the image under medium and high power. Once the object comes into focus, this is used to fine-tune the image.
A) Body Tube
B) Fine Focus Knob
C) Arm
D) Coarse Focus Knob
  • 8. Used in place of a mirror to make viewing the slide easier.
A) Coarse Focus Knob
B) Light Source
C) Objective Lenses
D) Body Tube
  • 9. Holds the objective lenses in place.
A) Aperture
B) Base
C) Nosepiece
D) Coarse Focus Knob
  • 10. Used to magnify the specimen on the slide. There may be two or three of these mounted on the nosepiece (Low, Medium, High).
A) Coarse Focus Knob
B) Objective Lenses
C) Nosepiece
D) Aperture
  • 11. Located at the top of the microscope. This is what is looked through.
A) Ocular (Eyepiece) Lens
B) Slide
C) Base
D) Diaphragm
  • 12. Thin piece of glass or plastic where the specimen is placed.
A) Ocular (Eyepiece) Lens
B) Base
C) Slide
D) Objective Lenses
  • 13. The flat platform under the objective lenses where the slides are placed for viewing.
A) Base
B) Nosepiece
C) Objective Lenses
D) Stage
  • 14. Holds the slide in place.
A) Stage Clips
B) Diaphragm
C) Objective Lenses
D) Ocular (Eyepiece) Lens
  • 15. Multiplying the ocular lens power times the power of the objective lens that you are using gives you the:
A) Microscope Weight
B) Nosepiece
C) Total Magnification
D) Diaphragm
  • 16. If the ocular lens of a microscope has a power of 10x and you use an objective that is 5x, then the total magnification of the microscope at that time is
A) 10x
B) 500x
C) 50x
D) 5x
  • 17. Who are two of the most notable scientists in microscope history?
A) Albert Einstein + Robert Hooke
B) Bert + Ernie
C) Albert Einstein + Isaac Newton
D) Antoine Van Leeuwenhook + Robert Hooke
  • 18. What type of microscope will we be using for class?
A) Electron
B) Binocular
C) Simple
D) Compound
  • 19. How does one properly carry a microscope?
A) One hand around the arm
B) By the Ocular Lens
C) Two hands around the base
D) One hand around the arm and one hand around the base
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