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Microscopes

Microscopes. By: Brianna Shields October 4, 2004. Do Now. 1. Explain why all living things carry out excretion 2. What is the primary source of energy for all living organisms? 3. Explain how cold blooded animals deal with temperature changes. Homework.

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Microscopes

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  1. Microscopes By: Brianna Shields October 4, 2004

  2. Do Now • 1. Explain why all living things carry out excretion • 2. What is the primary source of energy for all living organisms? • 3. Explain how cold blooded animals deal with temperature changes

  3. Homework • Have your homework out- trade it with the person to your right • We will be correcting and grading it in class

  4. goal • To be able to use a microscope

  5. eyepiece • 10x power lens

  6. Body tube • Aligns eyepiece with lenses

  7. Revolving nosepiece • Holds and rotates objective lenses

  8. Objective lenses • 4x (low), 10x (medium), 40 x (high)

  9. stage • Platform for slides

  10. Stage clips • Fastens slides onto stage

  11. diaphragm • Light adjustment

  12. Mirror/lamp • Directs light onto slide

  13. adjustments • Coarse- raises/lowers stage with large movements

  14. adjustments • fine- raises/lowers stage with small movements

  15. Arm and base • Support and for carrying

  16. Total magnification = objective lens times eyepiece

  17. Microscope images • We will pick sticks to randomly choose students to come up and point out the parts !!

  18. Microscope images

  19. Using a microscope • Follow al0ng with me as we go through the procedure for using a microscope

  20. Practicing with a microscope • Practice using the microscope by following the worksheet

  21. 1 DO NOW- Label the parts 2 3

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