1. Parts of the Microscope and Their Function
On the next slide there is an image of a microscope, very similar to the scopes we use in class.
Click on the boxes to see the name and function of each part of the microscope.
Please complete your diagram and match the definitions.

2. Safety 1st! Record the safety issues below:
Be Gentle!!
Hold by placing one hand around the arm and one under the base.
Keep covered when not in use
Clean hands to remove dust and oil.
Use lens paper NOT tissues/paper towels!

3. Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me
Click on Me

4. #9 Eyepiece—The part you look at with your eye
#9 Eyepiece—The part you look at with your eye. Usually 10 X magnification.
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5. #10 Arm– Used to safely transport microscope and support the body tube, nosepiece, and lenses.
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6. #11 Stage – Slides are placed on this. Allows light to pass through.
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7. #12 Coarse Adjustment Knob – Used to make large changes in focus
#12 Coarse Adjustment Knob – Used to make large changes in focus. This happens quickly. NOTE Never use this when viewing on high power
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8. #13 Fine Adjustment Knob – Used to make small adjustments of focus
#13 Fine Adjustment Knob – Used to make small adjustments of focus. Moves the stage slightly.
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#14 Base – Used to safely transport the microscope. Supports the microscope.

10. #1 Body tube – Reflects light up to the viewers eye
#1 Body tube – Reflects light up to the viewers eye. Holds eyepiece and nose piece.
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11. #2 Nosepiece– holds the lenses and rotates
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12. #3 Low Power Objective – The FIRST lens you use when doing proper microscope work. Magnification is usually 4X
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13. #4 Medium Power Objective – The second lens you use when doing proper microscope work. Usually 10X
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14. #5 High Power Objective – The highest magnification used. Usually 43X
#5 High Power Objective – The highest magnification used. Usually 43X. NEVER use the coarse adjustment when using this lens.
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15. #6 Stage Clips – Use to keep the slide in place.
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16. #7 Diaphragm – Use to vary the amount of light passing through the slide. Usually it is better if the amount of light is low.
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17. #8 Light Source – Sends light up through the diaphragm and through the slide for viewing. Our scopes use electric bulbs, but some scopes use light reflected from mirrors!
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