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MICROSCOPES

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CARRYING

A MICROSCOPE

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UNDERSTANDING LIFE SYSTEMS CELLS

2.1 follow established safety procedures for handling apparatus and materials and use microscopes correctly and safely

MRSTAV

CURRICULUM

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CARRYING A MICROSCOPE

  • One hand on the arm
  • One hand under the base
  • Cord neatly wrapped
  • Hold it close to your body

IT ACTUALLY MATTERS

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WHICH IS CORRECT?

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UNDERSTANDING LIFE SYSTEMS CELLS

2.5 use appropriate science and technology vocabulary in oral and written communication

MRSTAV

CURRICULUM

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EYEPIECE/ OCULAR LENS

NOSE PIECE

ARM

OBJECTIVE LENS

STAGE

COARSE FOCUS

FINE FOCUS

LIGHT SOURCE

BASE

POWER SWITCH

MICROSCOPE

DIAPHRAGM

SLIDE HOLDER/ STAGE CLIPS

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EYEPIECE/ OCULAR LENS

NOSE PIECE

ARM

OBJECTIVE LENS

SLIDE HOLDER

STAGE

DIAPHRAGM

COARSE FOCUS

FINE FOCUS

LIGHT SOURCE

BASE

POWER SWITCH

MICROSCOPE

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QUIZZIZ

https://join.quizizz.com

Game Code: ?????

MRSTAV

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FOCUSING

A MICROSCOPE

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UNDERSTANDING LIFE SYSTEMS CELLS

2.2 use a microscope correctly and safely to find and observe components of plant and animal cells and make accurate drawings of their observations

MRSTAV

CURRICULUM

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MAGNIFICATION:

  • to determine the total magnification, multiply �the ocular lens power by the objective lens power

​

OCULAR LENS

OBJECTIVE LENS

TOTAL MAGNIFICATION

10x

4x (low power)

40x

10x

10x (medium power)

100x

10x

40x (high power)

400x

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MAGNIFICATION:

  • the field of view of a microscope is the visible area seen through the eyepiece
    • at a lower magnification, the field of view is larger but the specimen is less detailed
    • at a higher magnification, the field of view is smaller but the specimen is in greater detail

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MAGNIFICATION:

  • we start with a low power to scan the specimen
  • when we find something we want to see more closely, we switch to a higher power to get more detail.

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FOCUSING A MICROSCOPE

  • Always start with the �LOW OBJECTIVE LENS
  • Use the COARSE FOCUS KNOB to find the specimen
  • Centre your specimen
  • Use the FINE FOCUS KNOB to bring the specimen into a sharper focus
  • Try adjusting the DIAPHRAGM (amount of light)
  • Then progress from MEDIUM to HIGH

SEE THE SPECIMEN

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LOW

MED

HIGH

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BIOLOGICAL DRAWINGS

https://schoolworkhelper.net/how-to-do-scientific-drawings-for-biological-courses/

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  • Compound Microscope
  • Ocular Lens
  • Arm
  • Nosepiece
  • Objective Lens
  • Stage
  • Stage Holder
  • Diaphragm
  • Coarse Focus
  • Fine Focus
  • Base
  • Field of View

​

​

​

ADD IT TO THE

W

WORD

W

WALL

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UNDERSTANDING LIFE SYSTEMS CELLS

  • 2.1 follow established safety procedures for handling apparatus and materials and use microscopes correctly and safely
  • 2.2 use a microscope correctly and safely to find and observe components of plant and animal cells and make accurate drawings of their observations
  • 2.5 use appropriate science and technology vocabulary in oral and written communication

MRSTAV

CURRICULUM