1. Unit 1-3 Notes Mr. Hefti – Pulaski Biology
Parts of a Microscope
Unit 1-3 Notes
Mr. Hefti – Pulaski Biology

3. sperm cells & household dust

4. Eyepiece (ocular lens)
Lens you look through
Usually 10X in power

5. butterfly eggs & mushroom spores

6. Nosepiece
Revolves
Allows you to change objectives

7. ant holding microchip & microchip

8. Objectives Low, medium, and high power lenses
Usually 4X, 10X, and 40X in power

9. eyelashes & strawberry

10. Stage
Where you place the specimen to be observed

11. tarantula‘s eyes & cut hairs on razor

12. Stage clips Holds specimen or slide in place
Do not bother with these because they will get in your way!

13. nylon & moth’s “mouth”

14. Diaphragm
Adjusts amount of light shining on specimen

15. bacteria on tongue & Velcro

16. Adjustment knobs Bring image into focus Coarse used for low power
Fine used for medium and high power

17. mosquito’s head & head lice

18. Arm and Base
Structural parts that you hold when transporting microscopes

19. rust on nail & cauliflower florets