Mr. DeRosa's Science Class

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      Homework H8

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

      ___________ attaches the eyepiece and body tube to the base.
      ­­­­­­­­­­­­­___________ supports the microscope.
      ___________ the tube that supports the eyepiece.
      ___________ a knob that makes large adjustments to the focus.
      ___________ an adjustable opening under the stage, allowing different amounts of light onto the stage.
      ___________ where you place your eye.
      ___________ a knob that makes small adjustments to the focus (it is often smaller than the coarse focus knob).

      ___________ a large lens with high magnifying power.
      ___________ a small lens with low magnifying power.
      ___________this illuminates the slide.
      ___________ the rotating device that holds the objectives (lenses).
      ___________ the platform on which a slide is placed.
      ___________ metal clips that hold a slide securely onto the stage.

       

      Examine your microscope. Familiarize yourself with the parts of the microscope.

       

      • The magnification written on the ocular lens (eyepiece) is _____

      • The magnification written on the low power objective is ______x the high power objective is ______x.

       

      • The total magnification using the lenses can be determined by multiplying the objective lens with the ocular lens. What is the total magnification of an item viewed with the:

       

                   LOW power objective. _____ x                                                            The HIGH POWER _______ x

       

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