本文目录一览：
- 1、关于科技的英语手抄报内容
- 2、科技节英语手抄报
- 3、关于科技英语手抄报内容？
关于科技的英语手抄报内容
1. Why the stars will flash flash it?
We see stars sparkle, this is not because the stars change their brightness, but with the atmosphere, blocking the.
Across the atmosphere between us and the stars, when the starlight through the atmosphere, they will receive the impact of atmospheric density and thickness. The atmosphere is not absolutely transparent, its transparency will be different according to the density difference. Therefore, we look at the stars on the ground through it, you'll see the stars as if flashing the same again.
2. Why do people yawn?
When we feel tired, the body has generated a lot of carbon dioxide. When the excess of carbon dioxide, it is important to increase the oxygen needed to balance the body. Because these residual carbon dioxide, would affect the functioning of our body activity, then the body will issue a protective response, so come on playing yawn.
Yawning is a kind of deep breathing movements, it makes us more than usual, sucked into oxygen and emit carbon dioxide, but also do it to eliminate the role of fatigue.
3. Why are snakes able to walk without feet?
The snake's body there are many scales, which is the outermost layer of their body armor. Scale is not only used to protect the body, can also be their "feet."
Snake crawling forward, the body will be showed S-shaped. And every one in the S-shaped outside of the scales will tilt to help the snake move forward to seize the uneven road surface. The scale of muscle co-ordination with the snake, and can push the body forward in crawling, so the snake can move without legs呀!
4. Why do sunflowers bloom is always toward the sun,
Sunflower chrysanthemum stems the following places, contains something called "plant growth hormone," substances. This material is accelerating function of reproduction, but it has a repulsive optical activity, when confronted with the light, they will go to the backlight side.
Therefore, when the sun rises, sunflower stems will immediately hide backlight side to go on the whole plant looks toward the direction of the sun was bent.
5. Why does a person old hair will be white?
Our hair had something called "melanin" in substance, the more melanin the more black hair color. The melanin *** all, yellow or white hair will be issued. Humans in old age, the body's various functions will gradually decline, pigment formation will be less and less, so the hair will gradually become white ah!
6. Why is Firefly will shine?
Firefly will be light because in the end of their abdomen are light-emitting devices, light-emitting device filled with a number of quality and light-emitting light-emitting phosphorus-containing enzymes, so that can be issued a flash of fireflies flash of light.
The purpose of firefly light, in addition to lighting, there are mating, warning, trapping and so on. This is also a communication tool for them, different types of fireflies light-emitting means emitting frequency and the color will be different, they like to take this to convey a different message.
7. Why are hungry will cluck call?
She was hungry and rolling will be called, it is because the food prior to eating fast to digest finished, although the empty stomach, but will continue to secrete gastric juice the stomach. At this time the contraction of the stomach will gradually expand inside the liquid and gas will be welling up, resulting in rolling sound.
Next time should no longer stomach the embarras *** ent of cuckoo called ah! Because this is a normal physiological actions do.
8. Why does an ostrich does not fly?
Body type of a large ostrich class, but they do not fly overhead, and ah! This is not because their wings do not work, but their feathers are too soft, wings too *** all, not fit for flying. In addition, the ostrich muscles developed, sternum flat again, and on the flight did not help.
Ostriches live in Africa, due to the long living in desert areas, the body in order to adapt to the environment, they gradually evolved into what it is.
9. Why is not perishable and canned food inside?
Luncheon meat, lobster sauce dace, tomato sauce, canned beans ...... are delicious food, they can be stored for a long time are not easily deteriorate. This is because canned food is sealed, the bacteria can not enter.
People in the manufacture of canned food, when the canned air in all out, and then seal it. In the absence of air case, even if some bacteria inside the food from being contaminated, they can not survive or breed ah!
10. Why did the baby will be born just been crying?
When you are making all sorts of new born babies cry, not because they feel unhappy, but they are the first port Dakoutaikou to breathe the air it!
When the baby to leave her mother at birth the body, they suck the air into the first port will be up to the throat, which will violently hit vocal cords, so that vocal cords vibration, and then issued a similar crying sound.
11. Why is the tail of lizards are constantly bouncing off behind that?
In order to protect themselves, many of Xi Tang also facilitate protective coloring deceive the public; while some lizards when attacked, the tail will be a result of intense muscle contraction caused by broken down. Based on the tail broken off there are still part of the nerve is alive, it will continue to bounce, thus dispersed the enemy's attention in order to escape. Do not think that the end of their lives so, in fact, just a few months, the tail will grow back and continue to live.
12. Why is the squirrel's tail particularly large?
Do not look relaxed rat tail! Squirrels jumping in the trees, while its tail is playing a very useful role. It can make squirrels in the trees be balanced when jumping to avoid falling injuries. In addition, this tail significantly better in the winter, the function of the protective, tightly around the squirrel's body, both convenient and practical.
13. Why does a person's thumb can not have one or three?
Most people have five fingers, while the length of the fingers are different. However, there is no one noticed that in addition to the thumb, other fingers have three, while only two thumbs alone do? The original, it is in line with the other four sessions means. If three, then the thumb would appear there is no power that it can not bring heavy objects; if only one, it can not easily with the other four fingers with the grasp things!
14. Why was not I do not feel itchy and scratching yourself?
As someone scratch their own, we will feel itchy, and kept laughing; However, when scratching his own time, not only do we not laugh, but also do not feel itchy. Based on our minds have been prepared, the brain will be issued a "no danger" message, nerves has also come to relax, so they will not laugh and feel itchy in!
15. Why is sea water are mostly blue, green?
Look to the sea, in many also found that water showed blue, green. However, when you picked up the water, you can only see it like the old days of water-like, transparent colorless. The original, the sea itself, with our daily come into contact with water, there are no major difference is transparent. We have seen the green, in fact, is the water absorption capacity of light arising out of the phenomenon. Only green water can be absorbed, and thus reflected out; as deeper water, the green light was absorbed, the sea looks became blue.
16. Why goose bumps?
Our skin long with fine hair, and each one has an erection under the hair pore muscle, when the subject nerve stimulation (for example: anger, fear, cold, etc.), the body temperature will decline, while the vertical hair muscle contraction will be thus making hair erected to form a goose bumps. In addition to the role with insulation, such a physiological body system would also make the animals more than it actually seems to deter the enemy.
17. Hippocampal which goes by the father's birth?
Almost all animals are also the next generation of female reproduction, but the hippocampus is different, it is out by a male birth. In the male hippocampus has a belly like a Kangaroo "parenting bag" bag of the hatchery, the female male Hippocampus hippocampus will routed to the hatchery egg sacs. After the male hippocampus on to take up the responsibility of breeding, after about three weeks, the *** all hippocampus would pop up from his father's body.
18. Why are the leaves changed color?
The leaves change color because of its inherent chemical substances - chlorophyll related. When autumn comes, the time during the day is shorter than that in the summer, but temperatures are relatively low, the leaves stop manufacturing chlorophyll, therefore, the remaining nutrients transported to the storage of trunks and roots. The green leaves in the absence of chlorophyll, at the same time, other chemical pigments and thus apparent, so we can see more colors such as yellow and brown leaves.
19. Why are there leaves?
Autumn is coming when the leaves on the evaporation of moisture more than the summer, but the roots are less absorbent than the summer. In order to reduce the moisture loss of trees, the stem cells began to form a separate layer, to be completely detached from the leaves of nutrients, the separation layer will separate the leaves and tree trunks, leaves to fall off.
20. Why did the whale will spray?
Whales are mammals one, but it does not nose shell nose, nose length in the head. It lives in water breathing with the lungs, can save a lot of one-off air, do not often go to the surface ventilation. But when it comes to the surface of the water ventilation, it will be used for nasal breathing, while breathing in vitro associated water spray is issued by the giant wave caused by the pressure.
科技节英语手抄报
写作思路：把科技带来的方便和实惠写下来。
Modern technology makes life more convenient;tools are the milestores of the technology as well as human beings progress.
现代科技使生活更加便捷；工具是科技进步和人类进步的里程碑。
Men used to cut trees with hand saw.But now,by using electronic saw they can cut down a tree in only a few minutes.Another example is more vivid:You have something urgent which has to be informed to your friend whose house is two hours ride away.You probably want to make a phone call.
人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。另外一个例子更加生动形象：如果你有急事通知你的朋友，而他家距你家有2小时的路程，你可能想打个 *** 。
But no telephone is installed in your friends home.What could you do?Nowadays,with modern technology advanting,using internet is popular with us.Some years ago,people had to get what they wanted through looking into a lot of information。
但是你的朋友家又没安 *** ，你该怎么办？如今，随着现代科技的进步，使用 *** 已很流行。若干年前，人们不得不查找大量资料来搜集需要的信息。
at last people could become tired and spent too much time.Now,if you use Internet,all becomes a piece of cake.Only by clucking,you will gain what you expect.
最后人累得疲惫不堪，还浪费了大量时间。现在，如果使用 *** ，一切就都是小菜一碟了。只要轻敲键盘，就会有求必应。
We all hope that modern technology will reach a higher level,because modern technology makes life more convenient indeed.
我们都期待着现代科技能达到一个更高的水平，因为现代科技确实使生活变得更便捷。
关于科技英语手抄报内容？
科技英语手抄报内容：
1、科技英语不像普通英语那样具有感性形象思维，不具感 *** 彩，其目的是使读者容易理解而不产生太多的想象。也不经常运用比喻、排比、夸张等修辞手段，而是要准确表达客观规律，按逻辑思维清晰地描述问题。
2、 科技英语主要是一种书面语言，它要求严谨、简洁，不要求在文中堆积华丽的辞藻，也不要求考虑朗读和吟诵。
3、科技英语词汇具有国际性。据有关统计，70%以上的科技英语词汇来自拉丁语、希腊语。绝大多数医学、兽医学词汇源于拉丁语、希腊语。
4、在语法结构上，科技英语大量使用被动语态。科技英语使用被动语态可以使描述减少主观色彩，增强客观性，而且通过隐去人称主语而使句子尽可能简洁。
科技英语的应用领域：
科技英语一般指在自然科学和工程技术方面的科学著作、论文、教科书、科技报告和学术讲演中所使用的英语。 随着科技的发展与全球经济一体化的逐步深入，科技英语越来越彰显出其重要性，因此世界上许多国家都设立了科技英语研究机构，并在大学中设立了相关专业。
科学家钱三强曾指出：“科技英语在许多国家已经成为现代英语的一个专门的新领域。”