Microscopes

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Microscopes

• By
• Brianna Shields
• October 4, 2004

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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

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Homework

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

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goal

• To be able to use a microscope

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eyepiece

• 10x power lens

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Body tube

• Aligns eyepiece with lenses

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Revolving nosepiece

• Holds and rotates objective lenses

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Objective lenses

• 4x (low), 10x (medium), 40 x (high)

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stage

• Platform for slides

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Stage clips

• Fastens slides onto stage

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diaphragm

• Light adjustment

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Mirror/lamp

• Directs light onto slide

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adjustments

• Coarse- raises/lowers stage with large movements

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adjustments

• fine- raises/lowers stage with small movements

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Arm and base

• Support and for carrying

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• Total magnification objective lens times
  eyepiece

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Microscope images

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

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Microscope images
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Using a microscope

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

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Practicing with a microscope

• Practice using the microscope by following the
  worksheet

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DO NOW- Label the parts
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