Teaching Design and Reflection of Physics Exploration Experiment
The following is an example of a physics inquiry experiment teaching design and reflection: ** I. Teaching Design ** 1. ** Experiment topic selection ** - For example,"Exploring the factors that affect the magnitude of sliding friction". This topic was closely related to daily life, such as the anti-slip design of soles and the brake system of cars. It also covered important knowledge points of mechanics in physics. 2. ** Teaching goal ** - ** Knowledge and Skill Target ** - Students can understand the concept of sliding friction and know which factors are related to the magnitude of sliding friction. - Students learn how to use a spring tester to measure sliding friction. - ** Course, Method, and Target ** - Through designing experimental plans, carrying out experimental operations, and analyzing experimental data, students 'scientific inquiry ability was cultivated, including the use of the control variable method. - To improve the students 'ability to observe, analyze, and summarize. - ** Emotions, attitudes, values, goals ** - To stimulate students 'interest in physics experiments and cultivate students' rigorous scientific attitude and teamwork spirit. 3. ** Prepare the experimental equipment ** - Spring force meters, flat surfaces of different coarseness (such as glass, wood, sandpaper), wood blocks of different quality, thin threads, etc. 4. ** Experimental teaching process ** - ** Introduction Stage ** - By showing pictures or videos of some phenomena related to friction in life, such as people slipping easily when walking on ice but walking steadily on ordinary roads, he asked,"What factors affect the stability of our walking? What does this have to do with the friction we're going to explore today?" - ** Hypothesis-Raising Stage ** - Guide the students to propose that the factors that affect the sliding friction force may be the thickness of the contact surface and the weight of the object. - ** Design experiment segment ** - Regarding the factor of the rough contact surface: - The experiment was designed with the control variable method. The quality of the wood block was kept constant. The wood block was pulled horizontally and uniformly on the glass, wood, and sandpaper with a spring tester. The indication of the spring tester was measured and recorded. This indication was the sliding friction force. - Considering the weight of the object: - Choose a flat surface (such as a wooden board) with the same degree of coarseness, change the quality of the wooden block, and use the spring ergometer to pull the wooden block of different quality horizontally at a uniform speed. Then measure and record the number of the spring ergometer. - ** Experiment segment ** - The students were divided into groups to conduct the experiment. Each group was responsible for exploring a factor. During the experiment, the teacher inspected each group and corrected the students 'mistakes in time, such as whether the use of the spring ergometer was standard (to be horizontal and pull at a uniform speed). - ** Analysis of data and conclusion ** - Each group organized the experimental data into a table, analyzed the data, and came to a conclusion. For example, from the experimental data of the contact surface's rough degree, it could be found that the rougher the contact surface, the greater the sliding friction force. From the experimental data of the object's weight, it could be seen that the heavier the object, the greater the sliding friction force. - ** Summing Up and Extending Stage ** - The teacher guided the students to review the entire process of the inquiry, emphasizing the importance of controlling variables in the experiment. Then he asked an expansive question, such as,"How do I increase or decrease the friction in my life?" Let the students use the knowledge they have learned to think and discuss. ** 2. Reflection on Teaching ** 1. ** Strengths ** - ** In terms of achieving goals ** - Through the experimental exploration, the students had a deeper understanding of the concept and influencing factors of sliding friction, and were able to skillfully use the spring tester to measure sliding friction, achieving the knowledge and skill goals. - During the experiment, the students actively participated in the design of the experiment, the operation and the analysis of the data, effectively cultivating the ability of scientific inquiry, and the process and method goals were achieved. - ** Student interest and participation ** - The introduction of the experimental topic with the phenomenon of life stimulated the students 'curiosity and interest. In the group experiment, the students cooperated actively and participated more, which was conducive to cultivating the spirit of teamwork. 2. ** Not enough ** - ** Experiment Operation ** - Some students were using springs to measure the time. Although they had been corrected by the teacher, they were still not familiar with the operation, which might affect the accuracy of the experimental data. In the future teaching, special training on the use of experimental instruments needed to be strengthened. - ** Exploring the depth ** - When analyzing the experimental data and drawing conclusions, some students simply drew conclusions based on the surface phenomena of the data, lacking in-depth thinking about the physical principles behind the data. For example, there was no in-depth discussion on the microscopic explanation of friction. In the follow-up teaching, guidance in this area could be added. - ** Time management ** - In the student grouping experiment segment, due to the different experimental speeds of each group, the overall time control was not accurate enough, and the final expansion segment was a little rushed. In the future teaching design, it was necessary to arrange the time of each teaching segment more reasonably. Read more exciting novels for free
The male lead is a king crab
In the ancient novel " I Feel Unlucky ", the male lead was a king crab. From the perspective of the observer, Hui Gu had become the son of a cannon fodder in the story of the noble family's dog blood. He had been grabbed by a crab. Later, he found out that his backer and boss was a king crab, and the most brutal tyrant in the sea country. From the perspective of the attacker, Wang Xie was a king crab, leading millions of shrimp soldiers and crab generals. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
A novel recommendation related to rattan melon
Teng Gua's novels include " You Come from the Sea Covered in Wind and Rain,"" Other than Wushan Mountain, there are no clouds,"" Please Allow Me to Dust Down,"" Love Is So Hurtful,"" Please Allow Us to Depend on Each Other,"" Just to Meet You on the Way," and so on. These works can be recommended. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Yuan Dynasty cellar
There were many important discoveries in the Yuan Dynasty cellars. For example, in the Yuan Dynasty cellars in Gao 'an, Jiangxi Province, the porcelain unearthed was of great value to the study of the development of Yuan Dynasty porcelain. The relevant research was included in the book Gao' an Yuan Dynasty Cellar Porcelain. Baoding Cellar also preserved a large amount of blue and white porcelain. In January 1999, the Pigeon Cave Yuan Dynasty cellar site in Yaogou Naoqian Mountain, Baihugou Township, Longhua County, was accidentally discovered. More than 60 cultural relics such as documents, silk fabrics and bone horns were unearthed. Among them, silk cultural relics were the most precious, including 5 national first-class cultural relics, 16 second-class cultural relics and more than 20 third-class cultural relics. It was a major discovery of Yuan Dynasty textile archaeology. In October 2008, the site was announced by the People's Government of Hebei Province as a provincial key cultural relic protection unit. There are many precious cultural relics in the Yuan Dynasty porcelain cellar unearthed in Xingang Town, Fanchang County, Anhui Province in 1999, such as Yuan Shuanglong Ear Blue Glazed Vase, Yuan Egg White Porcelain Jue Cup, Yuan Blue and White Porcelain Peacock Pattern Cover Pot, Yuan Celadon Octagonal Ear Vase, etc. These cultural relics are of great significance for the study of Yuan Dynasty porcelain. While waiting for the TV series, he could also read the exciting content related to this site!
Su Yue's novel traveled back in time
According to the information, Su Yue brought the psyche dimension back to ancient times and happened to encounter a scene of exiles. She started looting and amassing wealth. She took away the treasury of the dog emperor, the crown prince's wealth, and the property of corrupt officials. She even plundered Prince Li (even though Prince Li was poor) and eventually became an extremely rich woman. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Teaching plan and reflection on sea, land and air activities in the big class area
The following is a lesson plan for the sea, land, and air activities in a large class area: ** 1. Activity Target ** 1. Let the children know the characteristics and representative things of different areas in the sea, land and air. 2. To develop children's observation, imagination, language skills, and cooperation skills. 3. To stimulate children's interest in exploring the sea, land, and air. ** 2. Event preparation ** 1. Pictures and videos related to land, sea, and air. 2. All kinds of construction materials, such as building blocks, were used to build things related to land, sea, and air. 3. Drawing tools, such as crayons, drawing paper, etc. ** 3. Activity process ** #(I) Introduction 1. It played a video of sea, land, and air. The video included scenes of ships and whales in the sea, animals and cars on land, planes and birds in the sky, and so on. 2. Ask the children what they saw and guide them to describe the three different concepts of land, sea, and air. #(II) Basic Part 1. Area Exploration - marine areas - Show pictures of the ocean and introduce the creatures in the ocean (fish, mollusks, dolphins, etc.), the means of transportation (ships, submarines, etc.), and the characteristics of the ocean (vast, blue, waves, etc.). - To provide construction materials and encourage children to build scenes in the ocean in groups, such as building a ship, an island, etc. - Let the children share their knowledge of the ocean and the content of their own construction. - land areas - It presented a picture of the land, introducing the animals (lions, elephants, rabbits, etc.), vehicles (cars, trains, etc.), plants (trees, flowers, etc.), and different terrains (mountains, plains, deserts, etc.). - Guide the child to use the drawing tools to draw the land scene in his mind. It can be a zoo, a city street, etc. - Ask the children to tell each other the contents of their paintings and share their understanding of the land. - Sky region - It played videos related to the sky, showing birds, planes, clouds, and so on. - The children were given light clay and other materials to make things in the sky, such as an airplane or a bird. - Ask the children to introduce the things they made and tell them how the sky feels (wide, high, etc.). 2. cooperation game - Divide the children into small groups. Each group will integrate the elements of the three areas of land, sea, and air to carry out a creative display. - For example, a team could construct a story where a small plane took off from an airport on land, flew over the ocean, arrived above a small island, and then returned to land. - After each group had demonstrated, the children of the other groups could ask questions or express their feelings. #(III) End 1. It summarized the performance of the children in the activity and affirmed the creativity and cooperation of the children. 2. Children are encouraged to continue exploring the mysteries of land, sea, and air in their daily lives. ** IV. Reflection on the event ** #(I) Strengths 1. The content of the activity was rich and varied. Through various forms (videos, pictures, construction, painting, handcraft, etc.), the children could fully understand the three areas of land, sea, and air, meeting the needs of different children's learning methods. 2. Regional exploration and cooperative games could effectively stimulate children's imagination and creativity. Children showed high enthusiasm in the activities and could actively participate in discussions and sharing. 3. The activity helped to cultivate children's ability to cooperate. In the process of group cooperation, children learned to divide labor, communicate and help each other. #(2) Inadequacies and improvements 1. During the activity, some children might not have a deep understanding of certain concepts, such as some special landforms in the ocean (trenches, coral reefs, etc.). In the follow-up activities, more detailed explanations or information could be added. 2. The control of the activity time needed to be more precise. In the cooperative game segment, due to the creativity of the children, the individual group showed too long, affecting the overall rhythm of the activity. You can set a time limit for each group in advance during the next event. 3. In terms of materials, they could provide more. For example, they could provide some shells, sand, and other physical objects in the ocean area to let the children have a more intuitive experience. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Is there any violation of ancient poems in the novel?
According to the copyright law, the appearance of ancient poems in novels could constitute copyright violation. To quote an ancient poem legally, one needed to obtain the permission of the original author or meet the conditions for reasonable use, such as the quoted poem entering the public domain. If it was used without authorization, it might violate the copyright rights of the original author and face legal risks. Therefore, in the creation of novels, in order to ensure the legal use of other people's poems, it was best to avoid unauthorized citations, or to seek the permission of the relevant rights holders. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The latest chapter of the Song Dynasty novel
The latest chapter of Jin Song's novel is chapter 354, updated on 2021 - 11 - 10 11:43. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The main content of Che Chiguo's fight is summarized in 50 words.
The king of Chechi State respected Taoism and demoted Buddhism because of praying for rain, persecuting monks. Sun Wukong had arrived here and fought with the three demons, Tiger, Deer, and Goat. The three demons were defeated and died. While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!
Léon: The Killer (Movie Version)
Sharing the download link of the movie without authorization is a violation of copyright and may also violate laws and regulations. Therefore, I cannot provide you with a free download route for Léon: The Killer. You can watch the movie through legal video platforms, such as purchasing or renting. Watching Léon: The Assassin wasn't satisfying enough. Everyone is welcome to click to read the novel!
Professor Pei Wenjiang
Pei Wenjiang was a professor and PhD supervisor at Southeast University. He had won many provincial and ministerial-level scientific and technological progress awards. His learning experience was from 1988 to 1997, he received a bachelor's degree, a master's degree, and a doctor's degree in the Department of Detection Technology and Instruments at Nanjing University of Aerogautics and Astronautics. From 1997 to 1999, he worked as a post-doctor in the Department of Information and Communication Engineering at Southeast University. In terms of work experience, he was a teacher at the School of Information Science and Engineering of Southeast University since 2000, a professor in 2003, a supervisor of PhD students in 2004, a short-term visiting researcher at Nanyang Technology University in 2007, and was selected for the New Century Outstanding Talents Support Program of the Ministry of Education in 2008. He has successively presided over the research work of more than 30 projects such as the National Natural Science Foundation Project, the National 863 Plan Project, and the entrusted projects of enterprises and institutions. In terms of thesis works, he published more than 100 papers in domestic and foreign core journals and academic conferences, including more than 60 papers in SCI and more than 30 authorized invention patents. He had won awards in many projects, such as the 2002 Jiangsu Province Science and Technology Progress Award (Research on several important problems in chaotic neural information processing), the 2007 China University Natural Science Award (Theory and application of evolutionary computation and evolutionary neural networks), and many other provincial and ministerial-level science and technology progress awards. His research interests include non-linear and network signal processing, low-complexity filter design and on-chip signal processing, communication signal processing, and radio frequency compliance testing techniques and instruments. Classes include computer principles and interface technology (Spring). In addition, Pei Wenjiang also served as the chairman and general manager of Soft Instrument Technology. He played a relevant role in some corporate cooperation projects, such as cooperating with Dr. Ding in the research and development project of the new wireless narrow-band communication chip. He was also a shareholder with a 12.5% stake in a certain company, with a capital contribution of 12.5 million yuan. While waiting for the TV series, he could also read the exciting content related to this site!