Dear experts and teachers,
Hello everyone! I'm Shi Yonghua, a physics teacher at Haimen Middle School, and I'm very glad to report the teaching design of the course "Satellite Cosmic Speed".
First, the guiding ideology of instructional design
1. Follow the development of the times and cultivate students' information literacy. Today, with the popularization of information technology, information literacy has become an essential basic survival ability for every member of society in the new century. Under this background, how to cultivate students' information literacy with classroom teaching as the carrier is a problem faced by current subject teaching.
2. Change the way of learning and cultivate the ability of autonomous learning. In order to change the traditional teaching mode, which is mainly based on teachers' teaching and classroom indoctrination, with high labor intensity and low efficiency, and turn to quality education and innovative education, the key is to change students' learning methods, from "teaching" as the center to "learning" as the center, and cultivate students' ability to construct new knowledge and learn independently.
Network information technology provides a good way to cultivate students' autonomous learning ability. Based on network information technology and constructivist learning theory, this paper explores the subject information teaching of "cosmic speed of satellites" under the network environment.
By guiding students to carry out online inquiry activities, we can change students' learning methods, guide students to actively participate in and be willing to explore, and cultivate students' abilities of collecting and processing scientific information, acquiring new knowledge, analyzing and solving problems, and communicating and cooperating.
Through the information-based teaching of subjects, students' information literacy and autonomous learning ability can be cultivated at the same time, laying a solid foundation for lifelong learning and follow-up learning. This scheme is designed for network teaching in multimedia network classroom by combining network information technology and constructivist learning theory. It aims to make full use of various information resources to assist students in autonomous learning, exploration and cooperation, and cultivate students' ability to collect, analyze, process and utilize network materials.
Second, the background analysis of instructional design
Teaching material analysis (status and role)
(1) Knowledge Features: Satellite is the content of the last lesson in the sixth chapter of the new textbook "Law of Gravity" for senior one. Compared with the original textbook, the arrangement of the new textbook has changed slightly:
① Adapted from elective content to compulsory content;
② The contents of "the application of artificial satellites" and "the development of space technology" in the raw materials were deleted;
(3) The analysis of "launching satellites into different orbits and rockets doing different work against the gravity of the earth" has been added;
④ Put the derivation of the first cosmic velocity v= into the exercises after class. According to the foundation and acceptance ability of senior one students, the new textbook cuts out some contents, highlights the teaching of "cosmic speed" and strengthens the rigor of logic.
(2) Knowledge: The artificial satellite is an example of the application of the law of universal gravitation in astronomy, a witness of human conquest of nature, a manifestation of knowledge power, and an excellent material for students to understand modern scientific and technological knowledge. The textbook not only introduces some basic theories of artificial satellites, but also permeates many physical methods to study practical physical problems. Therefore, this lesson is the key content of the law of universal gravitation and the theoretical basis for students to further study and study astrophysical problems.
(3) The teaching content has great limitations in the traditional subject-centered textbooks, and "artificial satellite" is a dynamic knowledge system, which is constantly developing and changing with time, and the teaching content in this aspect is relatively old and backward.
If the information-based teaching design of this course is carried out under the network environment, open network resources will not only greatly enrich the teaching content, but also easily realize interdisciplinary knowledge integration, facilitate students to establish a three-dimensional knowledge framework and ensure the synchronization of teaching content and subject development.