Moments copywriting about biological experiments?

4 cultural content slogan boxes for the biological laboratory of No. 1 Middle School in Donggang Town (with slogans and character pictures)

The species that can survive are not the strongest ones, nor the ones that survive.

It is those who are the smartest, but those who respond quickly to change

.

——Charles Robert Darwin

Tell you the secret that enabled me to achieve my goal. My only strength is my perseverance.

——Louis Pasteur

I will not do anything that is good for me but harmful to my family; I will not do anything that is good for my family but harmful to the country. I won't do it.

——Carl von Linnaeus

One cannot regard life as a cumbersome obstruction as soon as it encounters a thorn in the way.

, throw away worthless things.

——Jean-Henri Casimir Fabre

Theme of the content on the back wall of the laboratory: Observing nature and understanding life

The structure and Steps to use

Microscope structure

Steps to use the microscope

1. Taking the mirror and placing it

Hold the mirror arm with your right hand and support it with your left hand Mirror holder

Place the microscope 10 meters away from the edge of the experimental table

Slightly to the left, install the eyepiece

2. Aiming the light

Rotate the converter and align the low-magnification objective lens with the clear hole

(Be careful not to pull the objective lens with your hands!)

Align the largest aperture with the clear hole , look at the eyepiece with your left eye

, open your right eye, and use both hands

to rotate the reflector at the same time to reflect the light through the light hole

into the lens barrel. . Until the entire field of view is snow white

3. Observation

Place the slide specimen to be observed on the stage

, press it with a pressing clamp. The specimen should be facing the clear hole

turn the coarse focus screw clockwise to make the lens

The barrel slowly lowers until the objective lens is close to the glass