bvj unit 2 the microscope

• Biologie
• Middelbare school
• vmbo, mavo, havo, vwo
• Leerjaar 1-3

Microscopy

In this lesson you will learn about the parts of a microscope.

learning goal

The  microscope

Eyepiece lens = the top lens, which is one you look through

Tube = the tube holding the eyepiece lens

revolving nosepiece = you use this to select different obkective lenses

objective lenses = the bottom lenses. magnification 4x, 10x en 40x

Stage = this is were you place the specimen

Arm = you hold onto the microscope here

Large knob = you use this to raise or lower the stage  quickly to get a sharp view. (only with objective lens 4 x

Bulb = provides light

Diaphragm = you use this to adjust the amount of light

Base = the bottom of the microscope

Small knob = this let  you adjust the focus precisely

The Drawing rules 

• use a hb pencil
  
• Make large drawings
• draw straight lines (do not sketch)
  
• draw what you see
  
• fill in the drawing information (title etc. )   
• Add names to the parts s

Through which part of the microscope do you look?

1. diaphragm
2. objective lense=
3. eyepiece lens
4. revolving nosepiece

revolver

objectief

oculair

tubus

draaibaar magazijn

houder van het oculair

ooglens, vergroot 10x

lens, vergroot 4x, 10x en 40x

Wat is de functie van het 'diafragma' van de microscoop?

1. het preparaat vergroten
2. hoeveelheid licht te regelen
3. microscoop aan vastpakken
4. microscoop aan/uit zetten

Which part of the microscope do you use to focus the image?

base

large knob

diaphragm

stage

objective lens

tube

Where do you use objectives lenses for?

1. magnify image
2. control the among of light
3. sharp view
4. firmness

Which part of the microscope do you find difficult to remember?