Life knowledge popular science competition short answer questions
The following are some of the short answer questions and examples of their answers: ** 1. Physical Phenomena ** 1. When he looked at the bottom of the pool, he felt that the water was not deep. After entering the water, he realized that this was not the case. Why? - Answer: When light enters another medium diagonally, it will be refracted. When people look at the bottom of the pool from the air, they actually see a virtual image of the bottom of the pool. The position of the virtual image is shallower than the actual bottom of the pool. 2. Usually, the surface of leather shoes had many pores and was not very smooth. When there was dust attached to the surface, the leather shoes would lose their luster. After applying shoe polish and carefully wiping them with a cloth, the leather shoes would become bright and beautiful. Why was this? - Answer: When the surface of the leather shoes is not smooth and dusty, the light will be reflected when it hits the shoe, and the leather shoes will lose their luster. After applying the shoe polish, the tiny particles of the shoe polish would fill the pores, and the shoe polish would be carefully wiped with a cloth to make the shoe polish spread evenly. The shoe's upper would become smooth, and the light would reflect from the mirror after shining on the shoe's upper, making the leather shoes brighter and more beautiful. 3. When pouring half a cup of boiling water into the glass, the top half of the cup was blurred. Please explain it with junior high school physics knowledge. - Answer: When half a cup of boiling water is poured into a glass, the boiling water will evaporate and produce water vapor. When the high-temperature water vapor met the lower temperature glass wall, it liquefied into small water droplets and attached to the glass wall, causing the top half of the cup to be blurred. ** 2. Health and Life Knowledge ** 1. How to deal with the emergency after the doll was knocked? - Answer: Immediately apply pressure with your palm for five minutes to reduce the bleeding under the skin. Then, apply an ice pack or a cold compress with a fever-reducing paste. After 24 hours, apply warm water again. 2. Are mosquito repellent buttons and mosquito repellent bracelets useful? - Answer: The mosquito repellent wristband has a small range of radiation, and the area it covers is very limited unless it covers the whole body. 3. Can a doll shave her head to increase her hair volume? - Answer: The effect of shaving on hair is limited to stimulating the speed of hair growth. It won't increase hair volume or improve hair quality. The same went for shaving eyebrows and cutting eyelashes. 4. Can the nose of a doll become taller? - Answer: The height of the nose bridge is mainly affected by the genetic factors of the parents. It can't become taller by pinching it, and it may cause harm to the child. 5. Should he drink vinegar after a fishbone got stuck in his throat? Please state your reasons. - The answer was no. Vinegar not only could not eliminate fishbones, but it could also cause erosion of the mucus membrane and edema of the esophagus. It was even more dangerous to try to remove the foreign object by swallowing it forcefully or eating it in large mouthfuls. It might cause the fishbone to pierce deeper or even pierce the esophagus. ** 3. Swimming Safety ** 1. Summer was a period of high drowning. How could one swim to ensure their own safety? - Answer: (1) Do not go into the water too hungry or too full. You can only go into the water one hour after meals to avoid cramps.(2) Test the water temperature before going into the water. If the water is too cold, don't go into the water.(3) If you swim in a river, lake, or sea, you must have a companion. You can't swim alone.(4) Observe the environment of the swimming place before entering the water. If there is a danger warning, you can't swim here.(5) Don't swim in the canyon where the geographical environment is unclear. The water in these places is different in depth and cold. There may be obstacles in the water that can hurt people. It is very unsafe. Before diving, make sure that the water depth is at least 3 meters, and there are no weeds, rocks or other obstacles underwater. It is safer to enter the water with your feet first; 7. When swimming in the sea, swim parallel to the coastline. Those who are not good at swimming or have insufficient physical strength should not go deep. Make a mark on the coast and pay attention to whether they are washed too far away. adjust the direction in time to ensure safety. ** 4. Value related ** 1. The main content of the core values of the country? What were the four levels involved? - Answer: The 18th National Congress of the Party proposed to advocate prosperity, democracy, civilization, harmony, freedom, equality, justice, and the rule of law. It also advocated patriotism, dedication, integrity, and friendliness, and actively cultivated and practiced the core values of the country. Among them, prosperity, democratism, civilization, and harmony were the value goals at the national level. Freedom, equality, justice, and the rule of law were the value orientation at the social level. Patriotic, dedicated, honest, and friendly were the value criteria at the individual level of citizens. ** 5. Insect Knowledge ** 1. Do all mosquitoes suck blood? Please state your reasons. - Answer: Not all mosquitoes suck blood. The male mosquitoes 'mandibles had degenerated, and their lower jaws were short and thin. They could not sting human skin, so the male mosquitoes could not suck blood. Female mosquitoes suck blood mainly to reproduce, and their eggs can only mature after they suck blood. ** 6. About volunteer services ** 1. What is the spirit of volunteer service? - Answer: The spirit of volunteer service can be summarized as dedication, fraternity, mutual assistance, and progress. It advocates a spirit of mutual help and no return, that is,"helping each other, helping others to help themselves, selfless dedication, no return." The volunteers use their hands, brains, knowledge, and love to carry out various volunteer service activities to help those in difficulties and crises for free. ** VII. Food Safety in Summer ** 1. How is it safer to "eat" food in summer? - Answer: Fresh: Eat the food you buy as soon as possible. Don't store it for a long time. Try not to leave any food behind. All raw materials and seasoning of fresh food should be eaten within the shelf life;(2) Cleaning: The food should be thoroughly washed before eating, and the food storage place, utensils and containers should be kept clean. At the same time, the raw and cooked food should be stored separately;(3) Cold storage: The temperature of food conditioning and preservation should be controlled below 7 ° C. It is best to wrap it with plastic wrap during cold storage to prevent cross-contamination of food in the refrigerator;(4) Heat: Food should be steamed and cooked before eating, especially seafood such as clams, snails, turtles, bullfrogs, etc.; Personnel hygiene: wash hands thoroughly before conditioning food. If there is a wound on the hand, it should be completely bandaged before conditioning food (the wound should not be in direct contact with food); Eat cold drinks, don't be greedy: eating too much cold drinks will dilute gastric juice, causing disorder of normal flora in the stomach, reducing local resistance and prone to diarrhea.
Doomsday Redemption
Redemption novels were usually set in the post-apocalyptic world. These novels often included elements such as rebirth, hoarding, dealing with zombies, and so on. At the same time, they also involved the protagonist's self-redemption or redemption of others and the world. For example," Doomsday Redemption " had novels of the same name by different authors. One of the main characters, Kaiwen Li, was reborn a month before the apocalypse. He recalled the painful experience of the apocalypse and decided to change himself and no longer be a " Virgin Mary." He first confirmed whether he was really reborn, then considered making money to deal with the upcoming doomsday, such as planning to mortgage the house his parents bought for him, or even using financial knowledge to short the US stocks. In another novel, the protagonist Shu Yan received a call from his mother about the impending zombie crisis. He began to prepare for the apocalypse, including hoarding supplies, renovating and strengthening the house, and so on. In this process, there was also a redemption plot from being isolated to growing up. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What are the titles of Chen Aiting's novels?
Chen Aiting's novels include " I Want to Be the King of Football,"" Super Storm,"" I'm Making a Powerful Club in the Premier League,"" Let's score!" Coach,"" The Last King of the Ball,"" Starting from Coaching Real Madrid,"" Super Commander,"" The Godfather of Grassi,"" Super Coach,"" Red Rebel Army,"" Godsfall." <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Shengshi Yifei novel recommended book list, the final version of the free reading
The following are some recommendations for the completed novels related to " Prosperous Medical Concubine ": 1. [The First Concubine of the Prosperous Age]: This was an ancient novel about reincarnation. The female protagonist, Ye Li, was a soldier in her previous life. After she died for the country, she was reincarnated as the eldest daughter of the Minister's residence. She had a calm and powerful personality. The male protagonist, King Ding Mo Xiu, was a beautiful, strong, and miserable type. He became famous at a young age but was disfigured and disabled. He was poisoned. After they were given a marriage, they went from blind marriage to mutual support and love. The female protagonist helped the male protagonist to pacify the world, and the male protagonist kept his promise to be a couple for life. Finally, the throne was passed to his son, and the two of them were free and unfettered. 2. " Crazy Medical Concubine ": In the story, the female protagonist traveled to the ancient times on a 40th-century space station. She was a military doctor, and during the time travel, the equipment malfunctioned. She fell onto the body of the Emperor who had just " died " for seven days and seven nights. In reality, the Emperor was pretending to be dead to deal with the plot of the Empress Dowager. The heroine used modern equipment and medical skills to deal with various crises in ancient times. The plot included dealing with the situation of being buried with the emperor, encountering conflicts with the emperor, and discovering the secrets of the regent and the queen. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The finale of the TV series 1-100
The ending of the Biography of the Eastern Palace was that Li Chengyin ascended the throne and proclaimed himself emperor, creating a prosperous era. With the help of capable officials, the people lived and worked in peace and contentment. During Li Chengyin's reign, there was no tyrant's tyranny. He was very tolerant of eunuchs, maids, and the people. The Eastern Palace became a place that people yearned for. In the story, the Second Prince of the Eastern Palace framed the female protagonist in order to seize the throne. In the end, the female protagonist became the history of the Eastern Palace, but she herself walked towards death. The original novel of the TV series " The Unique Empress of Generals " was called " The Rebirth of the Poisonous Empress of Generals." The original plot was equally exciting. You can click on the link below to read the original novel.
The development of special abilities and divine powers
The development of superpowers and divine powers included theoretical basis, basic skills training, strengthening cultivation, and so on. There were two ways to develop special abilities: sudden and gradual. There were two kinds of situations. One was the sudden activation of natural phenomena, such as being struck by lightning or being hit by a car. The other was the direct activation by a power master. Those who did not have the root of wisdom could only gradually cultivate their special abilities through virtue cultivation, because the development of special abilities was closely related to one's cultivation, moral character, and inner state. However, it should be pointed out that the so-called special ability lacked sufficient scientific evidence. When dealing with such things, one should maintain a rational attitude and avoid falling into the trap of feudal superstition.
Yulong County, Huangshan Town, White Horse kindergarten phone number
Yulong County Huangshan Town's White Horse kindergarten's phone number is 0888 - 5142847. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Which novels are good to read about the strategy of concubines?
The following are some novels related to the " Concubine's Daughter Strategy ": - " The Concubine of the Demon King's Concubine " was a web novel created by writing and drawing circles. It was published on the 17K novel website. - In the novel " Strategy of a Concubine's Daughter," the female protagonist was schemed against in her previous life. After her rebirth, she revealed the mystery, fought with her mother, and abused the scumbag. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The parents asked the teacher how to answer his words in the video
If the parents asked the teacher, they had to answer according to different situations. For example, when a parent asked a question because the teacher did not reply in time, the teacher could politely apologize first and then explain the reason for not replying, such as watching students 'outdoor activities, dealing with disputes, receiving school news, meeting, not using the phone during class, being overwhelmed by too many messages, etc. If it was a situation like a parent asking why they were looking for a parent with poor grades, the teacher could emphasize the importance of home-school co-education. Although the school was responsible for education, the supervision and cooperation of the family were also indispensable. Parents and teachers needed to work together to help the child improve. If a parent questioned the teacher for favoritism because their child did not appear in the video, the teacher could calmly state the facts, such as the child not coming to class that day. In short, the teacher had to remain polite, calm, and rational, and clearly respond to the parents 'questions based on the facts. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
My mother is doing housework
My mother is doing housework. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Unfettered Underworld Internal Skill
The Dark World Internal Skill belonged to the martial arts of the Shadow Pavilion in Wandering World. Its martial arts category was internal skill, and its martial arts quality was high-grade. Cultivating this internal art can increase the upper limit of one's qi and blood and add a shield to oneself. Its martial arts effect was 100 internal strength, 5.0 Vitality, and 336 shield points obtained when entering battle. In the advanced effect, the internal strength values were 0/30/90/181/302/453 at different stages, and the shield points obtained when entering battle were 0/100/305/605/1010/1515 at different stages. The novel "Underworld Commander-in-Chief's Bloody World" is equally exciting. Everyone is welcome to click and read it!