One day, you observe a phenomenon and write it down. Both of you should write down their feelings and their inspiration.

Q:

What I want is a composition.

Q:

You help me, you hurry up and I'll give you a big reward! ! ! ! !

Answer:

Interesting experiment

Today, I came to my father's office panting. My father took out a lot of strange things and said to me, "Li Jian, do you want me to give you an interesting experiment?" I said, "Good! But what do you use to do it? " Dad pointed to the pile in his hand and said, "This is it!" " "I said," huh? No way! How is that possible? What experiment are you going to do? " "Eating Fire Experiment" said with a sly smile on Dad's face.

I saw my father fiddling with the experimental tools. Then, he took out a bottle full of alcohol and a peeled Sydney and soaked it in alcohol. Then he picked up a candle and lit it with fire. Then, he took out the Sydney soaked in alcohol and lit it with a candle. Then, the important moment came, and a miracle happened! Dad swallowed the burning Sydney! ! I let out a cry, "wow! Dad, are you going to die? Aren't you scared? Oh, my God! Never have an accident! " I thought with prayer and impatience. A few minutes later, it was amazing! Dad is fine. He chews happily and says it's delicious. How strange! I asked my father, "Dad, aren't you afraid?" Have you developed a mouth that is not afraid of fire? "I said in surprise. Dad told me, "It's nothing, as long as you keep your mouth shut and don't breathe when you put the pear in your mouth." How's it going? Would you like to have a try? " 。" I said, "Good!" Dad repeated the action just now, and then brought me the burning Sydney and said, "Wait a minute, eat when I tell you to eat, and chew when I tell you to chew, remember!" " I looked at Sydney, which was still burning, and said in fear, "All right." So, I took Sydney and ate it. My father ordered me to put it in my mouth at once. After a few minutes, my father said, "Chew." So, I started eating, ah! It is really delicious! And I don't feel any pain at all. I thought it was really strange, so I asked my father. Father said, "Everyone knows that fire depends on air, because when we eat it, we immediately shut up and stop breathing. At this time, there is no air in our mouth, and the fire will naturally go out, and it will be fine! "

Ah! It turns out that there are such wonderful experiments in the world!

Or:

Today, the science teacher assigned an assignment, which can be explored and completed with parents. The teacher said: "the materials to be prepared are: a spoon and a pot of hot water, and then put the spoon in the hot water." The problem is: pick up the spoon after 5 minutes and see if it is all hot. Do you understand? " "I understand," the students answered loudly.

I thought to myself: it's too simple, only the end put in hot water is hot, and the other end is not. Haha, I can beat mom and dad today ... I'm so happy! I ran home as soon as school was over. When I got home, I put down my schoolbag first, then finished my homework, then began to prepare materials, and finally called my parents out of the room. I said, "The teacher asked me to do an experiment with you. The problem is: put the spoon in hot water to see if it is all hot. " Dad thought for a moment and said, "Let's make a bet, everyone will tell his own answer, and then we will do experiments to decide who is right and who is wrong." Mother said, "In my opinion, one end is hot and the other is not." I said, "I'm just like my mother." Dad said, "I think everything will be hot." I said, "To tell you the truth, the loser has 100 sit-ups." Mom and dad said in unison, "Good!"

The experiment began. Dad put the spoon in the water. I thought to myself: Dad can't win alone. He also covered 100 sit-ups, haha! Unconsciously, five minutes passed, and my mother went to get the spoon. I grabbed it and touched it, huh? The end of the spoon in hot water is the hottest. It's getting colder and colder, but it's still a little hot up there. I asked my father curiously, "What is this?" Dad proudly said, "I won, hee hee, you and mom are going to do 100 sit-ups." As for what's going on, you can find out for yourself, check the information online and ask the teacher. "

The next morning, I walked into the science teacher's office with a puzzled face. There are already many students around listening to the teacher's answer. The teacher said, "This principle can be explained in one sentence. Heat conduction always travels from one part of an object (high temperature) to another (low temperature). "

In fact, there are still many things in the kingdom of science that we need to discover and observe in order to gain more knowledge.

It's OK to change it.

Fan Wen:

Remember an interesting little experiment?

I have been curious since I was a child, especially about flying. I want to glide in the sky most, so I like flying very much.

It was noon, and I was fiddling with the golden cloth in front of me. Playing, it suddenly occurred to me: why not use this cloth for parachute experiment? Do it. I immediately found four ropes of the same length and tied them to the four corners of the cloth. After I tied them, I tried to pull four strings to make sure there was no problem, so I found a small toy and tied all four strings to the toy. Excited, I climbed into a higher cabinet, stood up, grabbed my parachute and paratroopers, waved my hand, and I thought this parachute would definitely fall down, but something unexpected happened. The paratroopers actually sagged straight, and finally failed to land safely and died heroically. I paused: how could it be that the experiment was wrong and I jumped out of the cupboard without thinking, grabbed the paratroopers, looked around, and there was nothing wrong? I finally came to the conclusion that toys are too heavy. So, I immediately changed to a lighter toy, tied a rope to it, and did another experiment. As a result, the paratroopers ended tragically. I wonder if there are any more questions. At this moment, a breeze blew, and I had an idea: there must be insufficient wind. So I took the paratroopers to the top floor again. It's just a gust of wind, but it's too late. As soon as the parachute opened, the paratroopers landed leisurely on the ground and landed safely. I cheered, rushed downstairs, picked up the paratroopers and shouted excitedly, "I made it!" Success! "

Although this is only a small experiment done a long time ago, it is deeply imprinted in my mind. Whenever I encounter difficulties, the parachute and paratroopers always appear in front of my eyes, prompting me to overcome all kinds of difficulties. In life, difficulties are like spring. You are strong, he is weak. If you are weak, he is strong. Therefore, as long as you can't bow your head in the face of difficulties, no matter how strong the difficulties are, you will only be defeated!

Remember an interesting little experiment?

This Sunday afternoon, I was bored and could only sit in a chair in a daze. Dad seemed to read my mind and said, "How about Dad doing an experiment with you?" Hearing this, I jumped up excitedly: "What are you waiting for? Go! "

So, my father pulled me into the kitchen, turned on the tap and said to me, "Look at this water, it's flowing downwards. Can you make it turn? " I thought: it is impossible to make it turn a corner, and dad can't do it. I said, "No. Then can you? " Dad smiled and said, "Look!" He took the spoon and rubbed it with woolen cloth several times to make it charged. Dad put it near thin water, yeah! The water turned around and approached the spoon. What's going on here? Does dad have magic?

My father saw my doubts and said, "Tell you the truth: spoons are attractive to uncharged water." . Once the spoon is exposed to current, this little experiment will not succeed. Water is a conductor, which can immediately conduct electricity out of the spoon! Even water vapor floating in the air can be charged. You got it? "I nodded puzzled." Come and have a try! "He gave me a spoon. I just did it according to my dad's method, yeah! The current really turned! I became a magician, too.

This experiment is really interesting.

Remember an interesting little experiment?

I am a little boy who loves to explore new things. I heard that after cutting an earthworm into two parts, it will not only become two live earthworms! To prove this, I did an interesting little experiment.

The students said that earthworms could be seen everywhere after the rain. One day after taking a bath, I really found an earthworm beside the flower bed without any effort.

When I got home on Friday, I took out my art knife, put the earthworm on a piece of paper and thought confidently: I will definitely complete the experiment successfully.

The experiment began. I carefully cut the earthworm in half. Take a closer look, huh? Why are earthworms so motionless? I am depressed: Did my experiment fail? Just when I was depressed, I suddenly remembered what my mother had said to me: "Don't give up when you encounter difficulties, my mother believes you can do it!" " "So, I cheer up and continue to do experiments. I took "100,000 Why Biology Articles" and began to look up some information about earthworms. I rummaged around and found the answer. Oh! It turns out that after the earthworm is cut off, the muscles next to the wound will tighten immediately, just like the door that was still open will close immediately. It's amazing! Earthworms are actually very regenerative, so that's it! After two or three days, the divided earthworm can become two complete earthworms! Seeing this, I seem to see the dawn of victory and have confidence again!

Two days later, when I went to see my earthworms again, I really found two small earthworms crawling around in the box! I told my mother about it, and she smiled and said, "Haha, our son will learn to do experiments by himself!" " "

This is a little experiment I have done before. Isn't it interesting?