I remember once, the science teacher asked us to observe snails. I was so excited that I didn't even take off my shoes. I went straight to "Little Snail", picked up a magnifying glass and began to observe. I looked at my head first and found two pairs of tentacles, one long and one short. According to the teacher, the snail's long tentacles can sense the changes of the surrounding environment, and its eyes are on the long tentacles, but it can only be seen clearly in the dark. Short tentacles are used to find food. I carefully put some leaves in. Sure enough, it was interesting to see the snail touch it with its short tentacles three times. I looked at my abdomen again and turned the snail upside down. I saw something glistening, but I didn't see anything. I checked scientific books, only to know that snails have abdominal feet in their abdomen, which can help snails crawl. I followed the snail's tail again. At this time, I saw that there was mucus where it climbed. I quickly asked my mother where the mucus came from. What is its function? Mom said that mucus comes from the tail, and snails can make it faster by following the mucus. Putting down the magnifying glass, I went to the elementary school encyclopedia to see if I had more knowledge about snails.
Through observation, I know many secrets of snails. Students, as long as you carefully observe, you can find more secrets!
Read the snail diary 400 words 2 read the snail diary 400 words 1 Today, I'm going to tell you about the snail I caught from the vegetable field.
Snails have a beautiful shell. This is a snail's house. The thread of snail shell is very thin, some on the left and right sides, some on the back. Some of these lines rotate to the right and some to the left. We call them right hand and left hand respectively.
Snails have two pairs of antennae. The longest pair has eyes on it, and the lower pair is used to sense the change of air. I also found that the two pairs of tentacles of snails are particularly flexible. When you touch its antenna, it will retract at the speed of a racing car, and it will curl its head like a ball. It will take a long time for the antenna to come out slowly.
The snail's mouth is so small that it can hardly be seen. But snails have mouths, and there are thousands of small teeth in their mouths! Snails eat their favorite things with these little teeth, such as green leaves, bread, peels ... all these bland things, and they eat quickly. I give it green leaves. When a snail eats, its head will shake up and down. It doesn't eat veins, but only mesophyll. Does it dislike hard food like my mother?
Snails have abdominal feet in the abdomen, and crawl by contraction of abdominal muscles when crawling. Snails leave mucus where they climb. I know it is used to protect the body and reduce crawling resistance. Snails' tails are very short and small, and they will be dragged behind when they climb.
Snail feces are discharged from the drainage hole, and the feces of big snails will slowly drill out of the drainage hole, thick and long; The feces of small snails are much smaller, like sesame spots. Some snail droppings are black and white, some are yellow and black ... to be honest, it makes me feel sick!
I like our snails! I learned a lot from this observation, which is very worthwhile.
Observing Snail Diary 400 words 2 In science class, the teacher asked us to observe snails. So I went home and looked in the garden. However, I can't find this little thing anywhere. Finally, with grandpa's help, I finally found two small snails in a wet corner.
I was surprised to hear the teacher talking about snails in class. Now I see a real snail, and I want to observe it carefully.
They carry a beautiful and delicate "little house" on their backs, and their soft bodies are hidden inside. I put them in a small box and began to observe.
I found that snails seem to have no bones and their bodies are soft and wet. The head has a pair of spiral antennae, which are very sensitive to external stimuli. If they are exposed to the sun, they will soon come out of the "doorway" closed with film, which shows that snails are very afraid of direct light. Where snails climb, they will leave white marks and shine in the sun. This shows that it needs lubrication when walking.
But where is the snail's mouth? I found a dot with a magnifying glass. I think snails must eat slowly. So I did an experiment. I took a vegetable leaf and put it in a box, and caught a snail to eat. I waited for a long time and didn't see it eat leaves, so I closed the box and went to take a nap. When I woke up, I was surprised to find that the snail had almost finished eating the leaves. But I've never seen it eat. I think it may eat in the dark. I took a closer look and found that there were many small black particles in the box, which I didn't find when I put the leaves. It must be snail shit. Sleeping for about three hours shows that snails eat in the dark and eat slowly.
Snail is really a magical little animal, especially the "small house" that protects it on its back, which leaves a very good feeling for people.
This morning, I finished painting and went to the kitchen to find breakfast. Hey, there is a cute little snail on the wall above the pool. This little snail looks strange. It seems that it has no bones, but it is full of muscles. It carries a pale yellow spiral house on its back and has two pairs of antennae like antennas on its head. It's amazing to see it slowly climb up with its flat sucker-shaped feet!
Then I asked my mother curiously, "Mom, why is there a small snail on the wall?" "Maybe it's on the vegetables your grandmother sent." "Oh, I see. I thought it was a small snail climbing up from downstairs. " After that, I cheerfully brought a small box, gently grabbed the snail and put it in the box. The little snail was frightened and shrank in the small house, motionless.
So, I gave it water to drink and green leaves to eat ... Hey, this little thing is ungrateful. I tried every means to "induce" it, but it still refused to stick its head out, not eating or drinking. I was so worried! Until the afternoon, the little snail was still shrinking. Well, if you go on like this, you will definitely die. Looking at the poor little snail, I said sadly to my mother, "Mom, I think I'd better let the little snail go." It may miss its mother. ""Good boy, that's right. Snails belong to nature. " Mother stroked my head and said with a smile.
Later, I sent the snail back to the square grass. That wonderful little snail seems to be refreshed at once, as if waving goodbye to me: "thank you, little master!" " "After a while, the little snail disappeared in the grass.
On a hot afternoon, I went to play football in the yard. When I am tired, I sit on the steps and have a rest. At this moment, I saw a little thing crawling slowly forward. When I took a closer look, it turned out that it was a small snail crawling forward step by step with its house on its back, and I immediately became interested.
I crouched down and began to observe. The little snail has a pair of very lovely tentacles. I shook it and looked carefully. There were two black spots on my tentacles. I think this is a snail's eye! I gently touched its "small black spots" with my hand, and my small eyes immediately shrank back like a rubber band and became "black bumps". How interesting!
I blew it gently, and it shrank back as quickly as possible. At this time, I noticed the snail's shell, which is the snail's home. The snail walks around with its house all day. Don't underestimate this "small house". This is a snail's protective shell. Once it is invaded or frightened, it will shrink into the shell and seal its mouth with mucus. If the shell is damaged or loses its function, it can secrete some kind of liquid to repair it. How amazing!
Snails' feet are so small that they can hardly be seen. It has tiny soft hooks and a kind of mucus to fix it on the ground, so it will walk very hard and slowly.
Although small and unremarkable, snail is an admirable insect. It is not afraid of drought or hunger, and never gives up when encountering difficulties. Its enterprising spirit is worth learning.
It is said that snails can crawl calmly no matter how sharp their blades are. I want to do an experiment.
It rained today. There are many snails crawling on the edge of the flower bed I caught six and put them in the paper box. As soon as I entered the house, I happily brought my watch and kitchen knife. I put six snails on the surface of the knife. At first, they were very alert and hid in a small house with a spiral shell. Later, when they saw that I meant no harm, they exposed two pairs of antennae like antennas in tandem and looked around. Like a thief, very funny!
I slowly put the knife face up, and a snail with a flower shell bravely climbed to the tip of the knife without hesitation. I thought, "Will snails be cut in half by a kitchen knife?" I saw that his feet clung to the tip of the knife and his abdominal muscles made wave-like peristalsis. At this time, the house on its back also swings rhythmically, which is very interesting! It took only 2 minutes and 54 seconds for the snail to crawl to its destination. At this time, it playfully held the antenna with two pairs of antennas high, as if singing, and as if to say, "Look how great I am! You see how great I am! " It took a total of 5 minutes and 26 seconds, and all six snails arrived at their destinations one after another.
In order to check whether they were injured, I observed them carefully with a magnifying glass. Found that snails have no bones and their bodies are very soft. Snails have well-developed muscles under their bodies. It consists of many small muscles, and these small muscles are its abdomen and feet. When the snail crawls, the glands in front of the abdomen and feet secrete a lot of mucus, which can protect the foot surface from damage. So the snail climbed over the blade unscathed.
Through this observation, I feel that the creatures in nature are really wonderful and interesting. Students, watch carefully and don't miss the opportunity!
It finally rained today. After class, I went to catch snails, because I read in a book: "Snails usually come out after rain." Just arrived at the small garden and found many snails walking there! Some snails took advantage of the rain to get some fresh air. After a while, I caught four snails. Hey, hey, I can only blame them for their slow escape.
Suddenly, I found that snails leave a transparent mucus when they walk. Why? The book says, "Snails secrete mucus to keep their balance, so that they will not fall if they climb high."
Snails are sometimes gently touched by me, and they quickly shrink into their warm homes-small shells. I laughed at it for being so timid.
I wanted to catch more afterwards, but they seemed to know my purpose, and everyone played hide-and-seek with me.
Although the snail is a little slow, he still works hard. This spirit is worth learning.
During the Spring Festival, I observed the snail diary with 400 words and 4 words, and found a strange phenomenon. You want to know what it is? Then let me take my time.
During the Spring Festival, my parents and I came to my grandmother's house to play. My dad was careful that I was bored at grandma's house, so he caught ten snails and let me play in the wild. I carefully looked at these ten cute little creatures, and found that seven snails have right-handed shells, while the other three snails have left-handed shells. They have many colorful stripes and spots on their shells, which are very beautiful.
I put some vegetable leaves for them to eat. However, only one snail left a big pit on the vegetable leaf, and none of the other snails touched it. I asked my father with questions. Dad picked up a piece of chicken and put it in the trough without saying anything. The snail immediately rushed over and ate with relish. Dad looked at me doubtfully and explained: Snails have various diets, some like fast food, some like vegetarian food, and some are uneven! After listening to my father's words, I suddenly realized.
A few days later, I found a strange phenomenon of snails: all ten snails are laying eggs! I think: there must be some male snails and some female snails caught by my father in the wild, but they can't all be female! I checked the information on the Internet, and finally found that there are two genitals in the snail, one is the male genitalia and the other is the female genitalia, so the snail is both a husband and a wife. How interesting!
A little snail has so many secrets. I believe that as long as we carefully observe everything around us, we will certainly discover more secrets of nature!
Observe snail diary 400 words 5 feast your eyes on the common sense class this afternoon.
Snail is a little thing that everyone must be familiar with, but it is rarely regarded as the focus in real life. I haven't seen it with my own eyes. Hu Zeping caught a lot of snails before class, which added more color to the common sense class.
You see, that naughty snail has a heavy shell on his back and two pairs of tentacles on his head, which is very important to him, just like a crutch for the blind, and can play the role of exploring the road. Touch its tentacles gently with your hands or blow them with the wind, and their tentacles will shrink back like mimosa in an instant. The reaction is quite sensitive. Its feet are very special, and there are two protruding muscles at the bottom of its shell, which it uses to stretch and crawl. Every time you climb over a place, you will leave two shiny and moist mucus. It is a vegetable pest, and farmers' uncles hate it. But snails are very adaptable, you don't know! Snail only moves four to five hours a day, climbs two to three centimeters a minute, and can only survive for six months, but it is the second animal to climb the Egyptian pyramids with its bare hands. /kloc-The 0/46-meter-high pyramid road is full of the footprints of this small snail that has gone through difficulties and obstacles.
I think snail's perseverance and perseverance are exactly what we must have in our study.