Primary school students' knowledge of thunderstorm prevention

With the arrival of summer, there are more and more thunderstorms. In order to strengthen the safety management of schools in summer, let primary school students fully understand the harm of lightning and learn the knowledge of lightning protection, I will tell you some knowledge about lightning. "When encountering thunderstorm weather, teachers and students outdoors should immediately enter the building and close the doors and windows. Don't take shelter from the rain under the big tree, don't use metal umbrellas, and try not to ride bicycles; Stay away from balconies, metal railings, metal security nets, wires and other conductors and external walls of buildings, do not use faucets and showers, try not to use telephones, and turn off electrical equipment such as televisions, computers and stereos. If there is no place to hide in the open field when there is lightning, you should try to find a low and concave place (such as a pit) to hide, or immediately squat down, put your feet together, put your arms around your knees, try to bow your head, and don't stand on the playground when it thunders.

Why do you want to learn lightning protection knowledge? Because, as we all know, summer is thunderstorm season. Since May 27 this year, the provincial lightning protection center has issued a forecast: announcing that our province has entered a period of high lightning incidence. According to the data, every year, students are injured to varying degrees in thunderstorm weather, and even cause great tragedies. Therefore, it requires each of us to improve our awareness of lightning protection and take effective measures to prevent lightning strikes. Then, it is particularly important to master the corresponding lightning protection knowledge. According to experts, if you encounter lightning weather indoors (at school or at home), you should do the following:

(1) Turn off the TV and computer immediately, and be careful not to use the outdoor antenna of the TV, because once the lightning strikes the antenna of the TV, it will spread into the room along the cable, threatening electrical appliances and life safety.

(2) Turn off all kinds of household appliances as far as possible and unplug all power plugs to prevent lightning from invading from the power cord, causing fire or electric shock casualties.

(3) Don't touch or get close to metal water pipes and water pipes connected to the roof, and don't stand under electric lights. Try not to use the telephone or mobile phone, because lightning waves will invade along the communication signal line, causing danger.

(4) Close the doors and windows. When it thunders, don't open the window, and don't stick your head or hand out of the window.

(5) Don't take part in outdoor sports activities, such as running, playing ball and swimming.

(6) Don't collect clothes hanging on wires outdoors.

This is our lightning protection method at school or indoors. Then, what should we do if we encounter lightning weather outdoors or on the way to and from school?

(1) It's safest to enter a nearby building with good lightning protection. Never enter the shed or straw shed in the crop field, because lightning protection there is easy to be struck by lightning.

(2) Stay away from tall chimneys, iron towers, telephone poles, big trees and other objects. Never stand under the big trees to avoid the rain, otherwise it will be dangerous.

(4) When it thunders and rains, be careful not to play with metal umbrellas, or carry long objects, or ride motorcycles or bicycles.

(5) Don't panic, don't run, it's best to put your feet together and put your hands on your knees and squat down on the spot. The lower the better.