Microscope

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

Why do we need a microscope?

Why do we need a microscope?

five minutes to memorize the parts of the microscope

Which part do you look through?

1. Ocular lens
2. Base
3. Body tube
4. Light source

What is the magnification when the ocular lens magnifieks 10x and the objective 40x?

1. 50x
2. 400x
3. 40x
4. 500x

Which knob do you first turn to focus?

1. The fine adjustment knob
2. The light source
3. The diaphragm
4. The coarse adjustment knob

the object we put under a microscope

- has to be small

- has to be very thin

- has to be put on a slide

slide

- slide = a small piece of glass

- put the specimen on the glass

-add a drop of water or colour

- put a cover slip on top

microscope

1. put slide under microscope
2. turn the smallest objective (4x)
3. put on the light
4. use course adjustment knob to focus
5. turn larger objective (10x)
6. use coarse adjustment knob
7. turn objective to 40x
8. use fine adjustment knob
9. use course adjustment knob to focus
10. turn largest objective (40x)
11. use fine adjustment knob to focus!!!!

6.use coarse adjustment knob

7. turn objective to 40x

8. use fine adjustment knob

Do now/homework

do excercise 2 on page 22 of your workbook