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Title:

Microscopes

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... lens times eyepiece Microscope images We will pick sticks to randomly choose students to come up and point out the parts !! Microscope images Using a microscope ... – PowerPoint PPT presentation

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Title: Microscopes


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
DO NOW- Label the parts
1
2
3
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