One afternoon, it was very sultry. I was playing with my father's "sweetheart"-orchid on the balcony when I suddenly saw a small snail crawling on a leaf. "Are snails beneficial insects or pests?" "Why do you leave a long line when you climb?" "Where are the nose and eyes of the snail?" This series of questions appeared in my mind.
So I decided to do an experiment myself to find out these problems.
"Snails are beneficial insects or pests?" I put cabbage, steamed bread, mosquitoes and so on first. In front of the snail I caught. They are probably hungry and climbed onto their favorite food. I saw that all the snails chose cabbage leaves to eat, and I didn't smell other foods. After a meal, the snail ate all the cabbage leaves. It can be judged that snails are pests.
"Why do you leave a long line when you climb?" In this question, I first draw the snail's head with a leaf, and then gently touch it under my head with my hand. I didn't expect my head to retract immediately. what can I do? I was a little discouraged. My father came up to me and said, "Why, you are discouraged by such a trivial matter!" " ! Do you want to be a scientist when you grow up? "My father makes me so excited. A way flashed through my mind. " Okay, okay. ""I screamed and danced. I gently smashed the snail shell with a small stone, took out the snail body and touched it with my hand. By looking up the book in the dictionary, I know that it is a snail's foot, and that long thin line is the secretion of the snail, which helps the snail crawl.
"Where are the eyes and nose of the snail?" According to the previous method, I put a cabbage leaf on the ground and caught a snail. The snail seems to know my pain. Show me its eyes, nose, big tentacles and small tentacles. The big tentacles are eyes and the small tentacles are noses.
Through this series of experiments, I really benefited a lot! I not only discovered the secret of snails, but also understood a truth: if you want to make inventions when you grow up, you must find problems from an early age and learn to solve them.