Happy and healthy running composition

Exercise is an indispensable part of life. Exercise can make you younger and younger, and exercise can make you live longer. Exercise is happy, exercise is beautiful, exercise is important, and it is something that each of us should do every day. I hope you can join the sport as soon as possible! The following are five compositions I brought to you in the fourth grade of primary school for your reference, hoping to help you!

I exercise, I am happy and I am healthy.

As the saying goes, life lies in exercise. Exercise makes you happier, and exercise makes you healthier. I especially like playing the piano and climbing mountains.

I have gained a lot and experienced a lot of fun.

Let's start by kicking the keys. These two days, our school held a sports meeting. I enthusiastically signed up for the key-kicking competition. I will practice playing keys for at least half an hour every day since the beginning of school. Gradually, my level of playing keys has improved, and my body is getting healthier and healthier, and I seldom get sick. On the day of the game, I kicked 27 in one breath because I practiced hard at ordinary times! This set my record. I got very good grades. I'm so happy!

Mountain climbing is also a good exercise. Every weekend, my mother will take me to climb the mountain. When climbing a mountain, you can breathe fresh air, enjoy beautiful scenery and exercise your will. Every time you climb a mountain, you have to grit your teeth and stick to it to the end before you can climb to the top. On May 1 this year, my mother took me to climb Mount Tai. At first, I was full of confidence and ran all the way ahead. When I arrived at Zhongtianmen, I was so tired that my back ached and I had difficulty breathing. I sat on the steps and said, I won't climb up. Let's go home! ? Mom said:? But this is really just the beginning. You haven't seen the most beautiful scenery of Mount Tai. When you encounter difficulties, you will shrink back and do nothing. Come on! Let's work together, persistence is victory! ? Encouraged by my mother, I got up the courage and set foot on the road of climbing again. Finally reached the peak of the Jade Emperor. Standing on the top of the mountain, I looked around and felt that everything around me was very small. I really feel it? Once you climb to the top of the mountain, you will see that all the other mountains look short under the sky. ? Artistic conception My mother told me that the infinite scenery is on the dangerous peak, and only through hard work can we enjoy the most beautiful scenery. ? Mountaineering makes my legs stronger and my body healthier. More importantly, it makes me understand that I have to be fearless of difficulties and have perseverance to succeed in anything I do.

Exercise is an indispensable part of life. Exercise can make you younger and younger, and exercise can make you live longer. Exercise is happy, exercise is beautiful, exercise is important, and it is something that each of us should do every day. I hope you can join the sport as soon as possible!

? Modification? Chocolate

You will be surprised to hear this topic. I know what you are thinking. How to change chocolate? Next, I will teach you.

First of all, the material is chocolate, of course, but I remind you never to have anything like nuts, or you will be at your own risk. But you can buy several colors of chocolate, which will make the chocolate look better and have more room to play. There are also several small bowls, big brands, hot water, molds (of course, professional molds are good, and jelly boxes are also a very good choice, but I have to tell you that the molds must be soft, otherwise they won't come out) and the sandwiches you are going to put chocolate in.

The materials are ready, let's get started. Step 1: Cut the chocolate into small pieces, then put it in a small bowl and spread out the small pieces. Pour hot water into the big bowl, and then put the small bowl into the big bowl. Be careful not to get the chocolate wet. Then, you wait for the chocolate to become liquid, stir it slowly with a spoon for a few times to make sure there is no solid chocolate, and then you can proceed to the next step: pour the juice. First, you pour any kind of chocolate juice into the mold, shake it until the edge of the mold is covered with chocolate, and then pour out the excess juice. At this time, it's time to put sandwiches. Do you like to floss? Don't be stingy, throw the floss in quickly! Then pour a layer of chocolate, and a piece of chocolate is ready. Put it in the refrigerator quickly. You can take it out and enjoy it in half an hour.

Why does a ruler make its own sound?

I have seen many male students put the ruler on the corner of the table and pull it gently with their hands. Can a ruler be issued? Buzzing? This voice, why is this? The ruler itself can't talk, so I have a strong interest in it.

In order to understand this problem, I read a lot of books about why rulers make their own sounds, and asked my parents, and finally let me know why rulers make their own sounds. It turns out that there is a lot of little scientific knowledge in it.

First of all, how is the sound generated? Sound is produced by the vibration of an object, and its propagation depends on the medium. Without media, you can't hear the sound. Then when the ruler is pulled up, it will produce a certain vibration, which will be transmitted to our ears through the medium of air.

So can we hear it as long as the ruler vibrates? Buzzing? Sound. What about you? Not exactly. The vibration of the sound source causes the vibration of the air and produces sound waves. Sound waves are longitudinal waves, which are introduced into the human ear and cause vibration of the eardrum. They finally cause hearing through a series of complex hearing organs in the human ear, that is, we can hear rulers? Buzzing? The voice.

So when we pull the vibration source of the ruler, the vibration of the ruler causes the vibration of the air and produces sound waves. When the sound waves pass through the medium of air, we can hear the sound. In fact, there are many such phenomena in nature, such as the rustling of leaves swaying in the wind and the sound of musical instruments playing.

Oh, that's the sound of a ruler!

I talk to the rooster.

1On the morning of October 2, I was reading English aloud on the balcony of my grandmother's house in the country. Suddenly, a rooster jumped out. I ignored it and continued to read English. But it's angry. As soon as I read a word, it raises its neck, purses its ass and yells. Goo goo? . So I read another English word. It flapped its wings, stretched its neck and shouted? Goo goo? . I thought it was funny, so I read another word. Unexpectedly, the rooster stopped crowing and walked away. Seeing it go, I continued to read English. But as soon as I finished reading a lesson, I found the rooster came back after a circle. Because I thought the rooster was too funny, I put down my book and talked to it. I said:? Hello! ? The rooster nodded and croaked twice? Goo goo? . I said again:? Silly chicken! ? The rooster doesn't seem to understand, but he barks softly at me? Goo goo? . I said again:? Good hen! ? It shouted with joy and excitement:? Goo goo! Goo goo! ? .

I thought to myself: I haven't finished reading English yet, so I shouted to it: Let's go! ? The rooster ignored it and walked on? Goo goo! ? Shout loudly. In distress situation, I cried again: Go home! Go home! ? Unexpectedly, the rooster really seemed to understand, ran home, but walked around and came back. He shouted at the rising sun in the east a few times, as if to say, I'm home! ?

Mom saw it and said with a smile: This rooster must be a foreign chicken. Otherwise, how can I only know English and not Chinese? I laughed my head off.

At this time, grandma cried in the restaurant: It's time for breakfast! ? We reluctantly bid farewell to the rooster and went to the restaurant for breakfast.

Protecting flowers and trees is everyone's responsibility.

Recently, our school held shuttlecock kicking and skipping competitions, and all the students actively practiced, hoping that they could take part in this interesting activity.

However, who has noticed these flowers and trees in the school? Some students kicked badminton to the tree, so they began to shake the young tree hard, regardless of the willy-nilly. Boss? Protest; Some students accidentally kicked the shuttlecock into the flower grass, regardless of whether the grass and flowers hurt or not, they just wanted to go in and get the shuttlecock, and the flowers hung down like depressed children with the heads of plants; Some students even trampled all the young trees. How terrible!

There are still many scraps of paper in some grass. I think: if all the students in the school act and everyone bends down to pick up a piece of paper, our campus will be more beautiful and clean!

Protect the environment, starting from me and starting from small things. Protecting the environment is everyone's responsibility! Let's act quickly!