Go to the national defense park to practice and have some "bitterness" and go to the botanical garden to learn "clone" Nanjing Tilia

Summer vacation is coming Do you want to have fun and learn something? Come to our summer camp! This year's summer camp hosted by Yangzi Evening News is divided into two themes, namely, the science and technology summer camp of "national defense Tour" launched with Nanjing National Defense Park and the science and technology summer camp of "Plant Kingdom tour" launched with Nanjing Zhongshan Botanical Garden At present, these two theme summer camps are in the hot recruitment of small campers There are not many places left Students who want to go hurry up to sign up! Yang Juan, a reporter from Yangtze Evening News, told her children to have some "hardship" in field training, so that they could know all kinds of new weapons, drill trenches with their battalion friends and fight a "Resistance War" with the "enemy" "National defense trip" science and technology summer camp, the theme of "militarization" makes many boys "Crazy", which attracts parents from Zhenjiang, Anhui and other regions around Nanjing to sign up for their children It should be noted that there are four sessions of this theme summer camp in July, each session is one day (from 8 a.m to 8 p.m.), the first two sessions are full, and there are some seats on July 18 and 25 "It's a great summer camp I'm making arrangements for my son's summer life." At noon yesterday, Mr Yan of Jurong came to the national defense park for "investigation" After turning around in the national defense education center and the military and arms center, and seeing all kinds of weapons, such as mortars and mines, he also turned around in the trenches of the national defense Park, hiding in the cat's ear hole to find a "feeling" "It's fun My son must like it He loves to study these weapons." He said with a smile that he had just come to Nanjing to handle affairs and could not help but experience it first At the registration site of the national defense Park office, he also named the children of his two younger brothers, "I believe that the children's harvest in one day must be a lot." Link to the summer camp costs 180 yuan per person, including one set of camp clothes, military training, meals (lunch, afternoon tea, dinner), model aircraft and rocket production, shooting and other materials Parents can register at the office of national defense Park Management Office at 83313180 Schedule: 8:00-8:40: start camp, change camp clothes and enter the semi military management mode; 8:40-10:10: queue training; 10:10-11:00: visit national defense education center and military arms center; 11:00-11:50: experience of small "sharpshooter"; 11:50-14:00: lunch, lunch break, watch animation of national defense and military science popularization; 14:00-15:00: simulation exercise, enter the simulation exercise field, learn about cat's ear hole Structure of trenches and blockhouses; 15:00-15:30: field training, hiking, physical training, walking to the existing Fort site of the late Qing Dynasty in the park to understand the fort military structure and use methods; 15:30-17:00: labor technology class, under the guidance of the teacher's explanation, make one military aircraft model and one rocket model, and experience launching (afternoon tea: taste compressed biscuit); 17:00- 18: 00: dinner; 18:00-20:00: visit and experience emergency shelter facilities, build tents and cultivate team cooperation Know laser weapons and experience their power The science and technology summer camp of this year's "journey to the plant kingdom" for the study of cutting endangered "Nanjing Tilia" has two periods, the first period (July 15-17) has been fully registered, and the second period (July 22-24) still has some places In this year's three-day and two-night activities, in addition to the projects of plant "cloning" and night view "golden cicada shelling", the biggest highlights are going to the "deep mountains and old forests" of the botanical garden to find the plant "giant panda" and learning the cutting of Nanjing native rare and endangered tree "Nanjing Tilia" "Nanjing Tilia" is the use of plant cloning technology "copy." Dr Tang Shijie of Zhongshan Botanical Garden in Nanjing said that plant reproduction can be divided into sexual reproduction and asexual reproduction Sexual reproduction refers to tissue culture by seeds, while asexual reproduction refers to tissue culture by organs or cells of plants, "cells carry the genetic information possessed by plants." He said the process of cultivation could be understood as "plant cloning" Nanjing Tilia has low seed bearing rate and few seeds, so it is very difficult to reproduce "Clone" is to cut a section of stem as "seed" to let it survive and grow At present, Tilia in Nanjing has been widely propagated in the base of the botanical garden Link to the "journey to the plant kingdom" science and technology summer camp It costs 820 yuan per person, including all the three-day food and accommodation costs After the activity, each child can get a hand-made plant specimen, a small pot of plants, a small bag of tea picked and fried by himself and a CD-ROM of the activity Because the parents can't accompany, the children should have certain self-care ability, mainly for the students above the second grade of primary school The children live in the standard room of the hotel The three meals in the morning, middle and evening are not only delicious, but also reasonable in nutrition Parents can go to the first floor of the North Garden Office Building of Zhongshan Botanical Garden to register Activity content: day one: opening ceremony Making plant wax leaf specimen; plant "cloning" experiment, taught by experts; real CS laser field; lectures on Insect Science, observation of "cicada molting" The next day: go to Laoshan Forest Farm to learn how to collect tea and make tea; barbecue and visit snake house Experts teach self rescue methods such as poisonous snake, bee sting or bleeding outdoors; climb the forest and exercise physical fitness Day 3: visit the Herbarium Post production of specimen; looking for plant treasure; little "horticulturist"; free activity (bridge world competition); campers talking about activity experience; selecting excellent campers and awarding awards; closing camp.