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Skills-How to work with microscopes
Lab skills
Working with microscopes
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Slide 1:
Tekstslide
Biologie
Middelbare school
havo, vwo
Leerjaar 4
In deze les zitten
13 slides
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interactieve quizzen
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tekstslides
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1 video
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Lesduur is:
15 min
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Lab skills
Working with microscopes
Slide 1 - Tekstslide
Learning goals
What are the parts of the microscope
How should you operate the microscope
The drawings rules for microscope drawings
Slide 2 - Tekstslide
Slide 3 - Video
The microscope
eyepiece lens = lens, magnifies 10x
tube = holds the eyepiece lens
revolver = holds the objective lenses, turns around
objective lenses = lenses hold by the revolver. Magnify 4x, 10x and 40x
stage = holds the slide
arm = used to hold the microscope when carrying
focus knob = lets you move the stage up and down. This helps you focus the image. There is a coarse and a fine knob.
lamp = source of light
base = this is the base the microscope stands on
Click on the pins to learn more about that part of the microscope
Slide 4 - Tekstslide
Through which part of the microscope do you look?
A
stage
B
objective lens
C
eyepiece lens
D
revolver
Slide 5 - Quizvraag
Match the part with its function
revolver
objective lens
eyepiece lens
tube
turning piece that holds objective lenses
holds the eyepiece lens
lens, magnifies 10x
lens, magnifies 4x, 10x and 40x
Slide 6 - Sleepvraag
What is the function of the focussing knobs?
A
magnify the object
B
move the stage up and down
C
to hold the microscope
D
turn microscope on/off
Slide 7 - Quizvraag
What is the use of the objective lenses?
A
magnify image
B
control amount of light
C
move the object up and down
D
sturdiness
Slide 8 - Quizvraag
Place the names on the correct part of the microscope
base
focus knob
stage
objective lens
tube
Slide 9 - Sleepvraag
What are you no longer allowed to do once you switch form the red objective lens to one of the others?
A
make changes to the amount of light
B
turn the revolver
C
turn the coarse focus knob
D
turn the fine focus knob
Slide 10 - Quizvraag
What is part 2?
Slide 11 - Open vraag
Place in the right order
1
2
3
4
5
6
Place your object on the stage
Make sure the stage is down and the red lens is above the stage
Turn the stage up with the coarse focusing knob while looking through the lens
When the image is in focus you can switch to the yellow lens
Only use the fine focusing knob to adjust the stage
Turn to the red lens, turn the stage all the way down and remove the object
Slide 12 - Sleepvraag
In what state should you hand in the microscope?
A
stage down, smallest objective lens above stage
B
stage up, smallest objective lens above stage
C
stage down, largest objective lens above stage
D
stage up, largest objective lens above stage
Slide 13 - Quizvraag
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