About the Life Knowledge ContestThe Life Knowledge Contest was a challenge that allowed users to learn and improve their quality of life through a series of life skills and knowledge. Such competitions are usually held by various institutions, organizations, and websites to attract users to participate and increase brand awareness.
There were many types of life knowledge competitions, such as cooking competitions, home renovation competitions, life skills competitions, and so on. The goal of these competitions was to allow users to learn and improve their quality of life.
There were many benefits to participating in the life knowledge competition. First of all, this kind of competition could allow users to learn new skills and knowledge to improve their quality of life. Secondly, this kind of competition could also allow users to make new friends and expand their social circle. Finally, participating in the life knowledge contest could also enhance the creativity and imagination of the users and provide them with more inspiration and creativity.
In short, the Life Knowledge Contest was a very beneficial activity that allowed users to learn and improve their quality of life. If you want to know more about the life knowledge competition, you can consult the relevant institutions or websites.
Life Knowledge Contest Questions and AnswerHere are some questions and answers for the life knowledge competition:
1. Under normal circumstances, how much water was in the egg? (70%)
2. How many levels were there in the food pyramid? (Level 5)
3. What system controls and coordinates human movements? (Central nervous system)
4. What kind of glasses do you use to watch 3D TV? (Polarized glasses)
5. Under normal circumstances, how much water was in a fish? (85%)
6. Under normal circumstances, what is the water content of watermelon? (92%)
7. How long does it take for the earth to rotate once? (One day)
8. Under normal circumstances, how do we transmit the sound we hear? (Air)
9. Under normal circumstances, how much water did vegetables contain? (90%)
10. Put a pencil into a glass of water, and it looks like the pencil is bent. What is this phenomenon? (Refraction phenomenon)
11. White or black, which one reflected light more? (White)
12. What kind of phenomenon could happen to gases? (thermal expansion and contraction)
13. What are the methods to speed up the dissolving process? (Heat, stir, grind)
14. What principle is the human eye based on? (Duration of Vision)
15. Which is bigger, the Earth or the Moon? (Earth)
16. The family raised a cactus. What were the thorns on the cactus? (Leaf)
17. What kind of upward force will the ship receive in the water? (Buoyancy)
18. What kind of glasses are these made of? (Concave lens)
19. What principle is a thermometer made of? (Principle of thermal expansion and contraction)
20. Which household items use magnetism? (computer, bank card, radio, etc.)
21. How do fish breathe? (Gill)
22. What did the Earth's rotation cause? (Day and night)
23. Can the human body conduct electricity? (Yes)
24. What is the use of a concave lens? (Converging Light)
25. Which pole is the carbon rod in the battery? (Positive)
26. Carrots will wither after a long time. What's the reason? (The water in the radish evaporated)
27. What kind of metal are the wires used in household lighting circuits mainly made of? (Copper)
28. However, since it was nutritious, it could not be eaten with seafood.
29. New furniture usually had the presence of Formalide, so it could be absorbed by adding concentrated aqua marina.
30. Sausages, cured meat, and salted vegetables contain nitrogen dioxide, which forms nitrogen dioxide under certain conditions in the human body, which is a cancer-causing substance.
31. Which is larger on Earth, the ocean or the land? (Ocean)
32. Which country is the pyramid located in? (Egypt)
33. What kind of support was not only firm and stable, but also used the least amount of materials? (Triangle)
34. How to prove that a person exhales carbon dioxide gas? (Clear lime water turns turbid)
35. What was a water meter for? (Measuring water usage)
36. What are the main materials of the books we use? (Wood)
37. Why are there spring, summer, autumn, and winter seasons in a year? (Due to the revolution of the earth)
38. Do flowers only bloom under the sun? (No, for example: epiphyllum blooms at night)
39. Which is faster, light or sound? (Light Speed)
40. Which month do peach blossoms bloom every year? (March)
41. What are the three ways of heat transfer? (Conduction, Conduction, Radiation)
42. Which metal is more malleable, copper, aluminum, or magnetite? (aluminum)
43. What is a colorless, odorless, and transparent gas? (Air)
44. Why is the glass tube on the solar panel made black? (Black absorbs heat fast)
45. Is the coil related to magnetism? (The more circles, the stronger the magnetic force)
46. What three states does water exist in nature? (Gas, Liquid, Solid)
47. In 1783, what principle did France use to successfully create a manned hot air balloon? (Principle of rising heat)
48. What are reading glasses made of? (Convex lens)
49. What would become of a wet insulation? (Conductor)
50. What was the use of humans mastering the rhythm of day and night? (Better use of beneficial animals and control of harmful animals through technology)
51. Which metal is harder, copper or iron? (Iron)
52. How much oxygen is in the air? (About 21%)
53. When was the best time to eat fruits? (Eat before meals)
54. Explain how to clean the air filter of the air conditioner. (Take out the clean air filter of the air conditioner, rinse it with clean water or clean the filter with a vacuum cleaner, dry it and put it back into the air conditioner.)
55. Which of the following U.S. presidents was not assassinated? (Franklin D. Franklin)
56. Why don't you wrap the wires with white tape? (Medical white tape is made of cotton cloth, glue, traditional Chinese medicine, or titanium dioxide. It is only for medical use and has no insulation properties.)
57. Which period was the ancient military strategist Cao Cao from? (Eastern Han)
58. How many millimeters was needed to be considered a cannon? (20 millimeters)
59. What should I do first when a fire breaks out in the unit? (Call the 119 fire alarm number in time and inform the fire department head of the unit)
60. What kind of diet is suitable for throat surgery and oral diseases, such as after tooth extraction, tonsiectomy, etc.? (Cold liquid diet)
61. Why not call during a thunderstorm? (It is easy to be struck by lightning when making a phone call during a thunderstorm because the telephone line may attract lightning.)
62. Which of the following metals is not included in the "hardware" that is often mentioned in daily life? (Zine)
63. What should I do after being scalded? (It's not an ice compress, but a cold shower for 20 - 30 minutes before going to the hospital.)
64. Where should I throw the toilet paper after taking a dump? (In the toilet bowl, the paper can now be flushed away by water. Throwing it into the paper basket is a risk of polluting the toilet.)
65. Should I brush my teeth immediately after a meal or later? (The American dental association suggests waiting at least an hour after a meal before brushing your teeth.)
66. Should he put the food in the refrigerator while it was hot or cool it down before putting it in the refrigerator? (Put it in the fridge as soon as you finish eating)
67. Should he eat more pork liver or red dates for his anemias? (People with iron-deficiency leukemia should eat more pork liver because pork liver is rich in iron, and red dates are not high in iron.)
68. Should he drink more bone soup or eat more tofu for calcium replenishment? (Eat more tofu, because the calcium in the bone soup can't be dissolved in the soup. Soy products have more calcium content.)
69. Should he eat bananas or dragon fruit for constipation? (Dragon fruit, because the banana's diet fiber content is not high, and the unripe ones have the astringent effect of ellanic acid)
70. Chili or milk, which one would cause pimples after eating? (Milk. Drinking milk for people who love acne will increase the level of Insulin-like receptor growth factor-1 in the body, causing the corners of the hair bulbs to accumulate.)
71. Should she drink brown sugar water or take painkillers during menstrual cramps? (If the pain is severe, you should take painkillers. Drinking brown sugar water is just psychological comfort.)
72. How to stop a nosebleed? (Lower your head slightly and pinch the nostrils on both sides to stop the bleeding.)
73. What if I get stuck on a fishbone while eating fish? (Cough lightly. If the position is shallow, the fishbone may be pushed out. If you can see the fishbone, use a clean or sterilized small forceps to remove it. If you can't see it, go to the emergency department to see a doctor to remove it.)
74. What should I do if my teeth fall out? (Don't do anything to the teeth you find. Put them directly into normal saline or milk to maintain the biological activity of the teeth. If you have no conditions, you can keep them in your mouth, but don't swallow them. Then go to the hospital to find a stomatologist.)