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U2 The microscope 1HVTTO
The microscope
Put your things on your desk
Book, Notebook, Pencil case
Bag on the floor
Read pgs. 137 t/m 138
timer
3:00
Lessongoals
You can name all parts of a microscope
You know how to use a microscope
1 / 12
suivant
Slide 1:
Diapositive
Biologie
Middelbare school
havo, vwo
Leerjaar 1
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The microscope
Put your things on your desk
Book, Notebook, Pencil case
Bag on the floor
Read pgs. 137 t/m 138
timer
3:00
Lessongoals
You can name all parts of a microscope
You know how to use a microscope
Slide 1 - Diapositive
Today
Parts of a microscope
Using a microscope
Time for homework
End
Slide 2 - Diapositive
stage clips
large knob
small knob
diaphragm
eyepiece
revolving nosepiece
bulb
stage
arm
objective lens
tube
Slide 3 - Question de remorquage
Magnification
Eyepiece : 10x
Objective lenses
Red: 4x
Yellow: 10x
Blue: 40x
Total magnification = eyepiece x objective lens
Slide 4 - Diapositive
You're using a microscope
The eyepiece magnifies 5x
The objective lens magnifies 40x.
What is your total magnification? (only enter a number)
Slide 5 - Question ouverte
Slide
Coverslip
Specimen
Slide 6 - Diapositive
Getting ready
Use the
arm
to hold the microscope
Red lens
above the
stage.
Make sure the
stage
is as low as possible
Bulb
turned on
Diaphragm
open
Slide 7 - Diapositive
Using the microscope
Put the specimen
underneath
the stage clips on the
stage
Keep turning the
large
knob until the image is in focus.
You have magnified your object
40x
Rotate to the
yellow lens
Keep turning the
small
knob until the image is in focus.
You have magnified your object
100x
Rotate to the
blue lens
Keep turning the small knob until the image is in focus.
You have magnified your object
400x
Slide 8 - Diapositive
Tidying up
Red lens
above the stage
Make sure the stage is as low as possible
Remove the specimen.
Bulb turned off
Use the arm to hold the microscope
Slide 9 - Diapositive
What you should do:
Read pages 137-141
Do exercises 1,2,3 pages 139-141
Done with the above?
Work on the next chapter(s)
Learn for the test
Make other homework
Read a book pages 110-115
exercises 1-7 pages 110-114
Zs
= Working in Silence
No
asking questions
Silent,
don't disturb anyone
Stay at your
desk
timer
6:00
Slide 10 - Diapositive
What you should do:
Read pages 137-141
Do asgmt 1,2,3 pgs. 139, 141
Done with the above?
Work on the next chapter(s)
Learn for the test
Make other homework
Read a book
Zw
= Working with whispering
Teacher is available for questions
Only
whisper with the student next to you
Stay at your
desk
Slide 11 - Diapositive
Tidy Duty
Today these people are on tidy duty
Desks: empty and straight
Chairs: underneath the desks
Floor: no rubbish
Slide 12 - Diapositive
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