Translations

Code	Language		Translator	Run

Credits

lookang (This email address is being protected from spambots. You need JavaScript enabled to view it.) , Fu-Kwun Hwang, Wolfgang Chrisitan, Francisco Esquembre; Fu-Kwun Hwang; Wolfgang Chrisitan; Francisco Esquembre; Anne Cox; tina

http://iwant2study.org/lookangejss/05electricitynmagnetism_20magnetism//ejss_model_MagneticBarFieldrotationwee/MagneticBarFieldrotationwee_Simulation.xhtml 

Briefing Document: Earth and Bar Magnet JavaScript HTML5 Applet Simulation Model

1. Overview

This document reviews an online resource, specifically the "Earth and Bar Magnet JavaScript HTML5 Applet Simulation Model" hosted on the Open Educational Resources / Open Source Physics @ Singapore platform. This resource is an interactive simulation designed for educational purposes, allowing users to explore the concepts of magnetism and magnetic fields, particularly in relation to bar magnets and the Earth. The resource leverages HTML5 and JavaScript, making it accessible across a variety of devices.

2. Key Themes and Concepts

• Interactive Simulation for Physics Education: The core theme is the use of interactive simulations to enhance physics learning. This applet is designed to allow students to visualize abstract concepts like magnetic fields. The simulation is not just a passive visual; its interactive nature encourages exploration and experimentation.
• Magnetism and Magnetic Fields: The resource focuses on the concept of magnetism, specifically the magnetic field generated by a bar magnet. It also incorporates the Earth's magnetic field, allowing for a comparison between the two. This is implied by the title "Earth and Bar Magnet" and the links provided to the simulation.
• Open Educational Resources (OER) and Open Source: The platform itself, "Open Educational Resources / Open Source Physics @ Singapore," highlights the principles of open access and sharing educational materials. The applet is provided under a Creative Commons Attribution-Share Alike 4.0 Singapore License, promoting free use and adaptation. The "Open Source" aspect is also relevant, as tools like "EasyJavaScriptSimulation" are used in development, promoting collaborative reuse and modifications.
• Accessibility and Cross-Platform Compatibility: The use of HTML5 and JavaScript ensures that the simulation is widely accessible. As stated on the page, it is usable on "Android/iOS including handphones/Tablets/iPads" and "Windows/MacOSX/Linux including Laptops/Desktops," including ChromeBook Laptops.
• Remixing and Iterative Development: The listing of multiple versions of this model ("ejs_model_MagneticBarField12rotation.jar" etc) highlights a process of iterative development. This includes remixing existing simulations from the Open Source Physics library, as well as translating between Java and Javascript. The resource gives credits to several prominent contributors in educational simulation and open source physics, including lookang, Fu-Kwun Hwang, Wolfgang Chrisitan, and Francisco Esquembre.

3. Important Facts and Features

• Embeddable Model: The resource can be embedded directly into a webpage using an <iframe> tag. This is useful for educators wanting to integrate this simulation into their teaching materials.
• Links to Related Resources: A crucial feature is the inclusion of links to external, related resources. These include:
• PhET interactive simulations on magnets and compasses.
• Other simulations of magnetic fields from bar magnets.
• Simulations of electromagnetic induction using the Faraday's lab.
• A link to a 3D earth magnetic field simulator on simphy.com.
• Credits and Authorship: The resource provides explicit credits to the individuals involved in its development, including "lookang, Fu-Kwun Hwang, Wolfgang Chrisitan, Francisco Esquembre; Fu-Kwun Hwang; Wolfgang Chrisitan; Francisco Esquembre; Anne Cox; tina". This acknowledgment emphasizes the collaborative nature of developing open educational resources.
• Context Within a Larger OER Platform: The model is listed within a structured section of the platform: "Home > Interactive Resources > Physics > 01 Foundations of Physics > 04 Energy & Fields > 07 Energy Work Power". This indicates its use within a broader curriculum and instructional content.
• Variety of Simulations: The resource is embedded within a page that has a very long list of different simulation models, many of which are on physics topics ranging from kinematics and electromagnetism to orbital mechanics and optics. This highlights the depth and breadth of the OER platform.
• Software & Development: This resource uses "EasyJavaScriptSimulation," highlighting its origin as a user-friendly tool for authoring these simulations.

4. Key Quotations and Insights from the Source

• Description of the Resource: The resource is clearly labelled and defined: "Earth and Bar Magnet JavaScript HTML5 Applet Simulation Model".
• Accessibility: "Android/iOS including handphones/Tablets/iPads Windows/MacOSX/Linux including Laptops/Desktops ChromeBook Laptops" highlights the broad accessibility of the simulation across different hardware.
• Licensing: "Contents are licensed Creative Commons Attribution-Share Alike 4.0 Singapore License" establishes the legal terms of use, emphasizing sharing and adaptation.

5. Implications and Usage

• Teaching Aid: This interactive simulation is a valuable tool for educators to teach the fundamentals of magnetism, using an engaging and hands-on approach.
• Student Exploration: Students can use this applet to independently explore magnetic field concepts, visualize field lines, and understand the interaction between bar magnets and the Earth's magnetic field.
• Remixing and Customization: Educators can adapt and embed the resource within their own teaching materials or web pages. This highlights the OER and Open Source ideals of re-use, adaptation, and modification.
• Professional Development: The resource also showcases the possibilities of Open Source Physics tools like EasyJavaScriptSimulations.

6. Conclusion

The "Earth and Bar Magnet JavaScript HTML5 Applet Simulation Model" is a well-designed, accessible, and openly available educational resource for teaching about magnetism. Its interactive nature, coupled with its place within a wider OER context, makes it a valuable tool for educators and students alike. The emphasis on open licensing and cross-platform compatibility furthers its reach and impact. The inclusion of several links to relevant simulations provides educators with access to additional supplementary resources.

This briefing document should provide a comprehensive overview of the key aspects of the provided source.

 

Magnetic Bar Field Simulation Study Guide

Quiz

Instructions: Answer the following questions in 2-3 sentences each.

1. What is the primary function of the JavaScript HTML5 applet simulation model described in the text?
2. What are the different platforms or devices on which this simulation model can be used?
3. Besides the Earth and bar magnet simulation, what are a couple of other simulation topics or models featured on this resource page?
4. Who are some of the key individuals credited with the development of the simulation model?
5. What is one of the external resources, a URL, that provides a related simulation or interactive tool?
6. What programming language is used for the development of this magnetic bar field simulation?
7. What does the licensing of the contents on this website permit?
8. What is the name of the tool used to create this simulation?
9. What are a couple of topics under the tag "Secondary" that are on this page?
10. What is one specific type of physics phenomenon that is modeled by this simulation tool?

Quiz Answer Key

1. The primary function of the JavaScript HTML5 applet simulation model is to simulate the interaction between a bar magnet and the Earth's magnetic field, allowing users to visualize magnetic fields and their properties.
2. The simulation model can be used on a variety of platforms, including Android/iOS devices, Windows/MacOSX/Linux computers, and Chromebook laptops. It is designed to be accessible across diverse operating systems and devices.
3. Other simulation topics on the page include projectile motion, wave superposition, and various models related to mechanics, energy, and electromagnetism.
4. Key individuals credited with the development of the simulation model include lookang, Fu-Kwun Hwang, Wolfgang Christian, and Francisco Esquembre.
5. One external resource is the Phet simulation titled "Magnet and Compass" found at https://phet.colorado.edu/en/simulation/magnet-and-compass.
6. The simulation is developed using JavaScript, allowing it to run in modern web browsers.
7. The contents of the website are licensed under a Creative Commons Attribution-Share Alike 4.0 Singapore License, allowing for the sharing and adaptation of content with attribution.
8. The simulation is built using the Easy JavaScript Simulation (EJS) library, which is a tool for creating interactive simulations.
9. Some topics tagged "Secondary" include magnetism, projectile motion energy model, frictional models and various kinematics simulations.
10. This simulation specifically models the magnetic field generated by a bar magnet and its interaction with the Earth's magnetic field.

Essay Questions

Instructions: Answer each of the following essay questions in well-developed, multi-paragraph essays.

1. Discuss the benefits of using interactive simulations, like the one featured, in physics education. How do these simulations enhance understanding compared to traditional teaching methods?
2. Explain how the magnetic field simulation can be used to demonstrate key concepts of magnetism, such as magnetic field lines, poles, and interactions between magnets.
3. Compare the various resources (e.g., PHET, Walter Fendt) linked in the text and explain their unique contributions to understanding magnetism or physics simulations in general.
4. Analyze how the various simulations and models available on the "Open Educational Resources / Open Source Physics @ Singapore" page support a broader physics curriculum across secondary education.
5. Based on the information provided, hypothesize about the design process involved in creating an interactive physics simulation such as the one described, noting the challenges and choices involved.

Glossary of Key Terms

• Applet: A small application, often written in Java or JavaScript, designed to be embedded within another application, such as a web page.
• HTML5: The fifth and latest version of the Hypertext Markup Language, used for structuring and presenting content on the World Wide Web, supporting multimedia without plugins.
• JavaScript: A scripting language commonly used for web development to make web pages interactive and dynamic.
• Simulation Model: A representation of a real-world system that allows users to explore and manipulate variables to understand the system’s behavior.
• Magnetic Field: The area around a magnet where magnetic forces are exerted.
• Bar Magnet: A rectangular-shaped permanent magnet with two magnetic poles (north and south).
• Open Educational Resource (OER): Freely accessible and openly licensed teaching, learning, and research materials.
• Creative Commons License: A set of public copyright licenses that enable the free distribution of an otherwise copyrighted work, often with certain restrictions.
• EJS (Easy JavaScript Simulation): A tool for creating interactive simulations, especially in physics and mathematics.
• Kinematics: The branch of mechanics that describes motion without considering the forces that cause it.
• Projectile Motion: The motion of an object thrown or projected into the air, subject only to gravity and air resistance.
• Electromagnetism: The combined forces of electricity and magnetism and the study of the relationship between them.

Versions

1. ejs_model_MagneticBarField12rotation.jar old java remix that didnt make it to Javascript.
2. ejs_model_MagneticBarFieldsecondmagnet06.jar java version
3. http://www.compadre.org/OSP/items/detail.cfm?ID=9414&Attached=1 Magnetic Bar Field Model by Wolfgang Christian, Francisco Esquembre, and Anne Cox
4. http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1210 Ejs Open Source Bar Magnet & Compass Model with Earth visualization java applet by Wolfgang Christian, Francisco Esquembre, and Anne Cox remixed now by lookang

 Video

 

Other Resources

1. https://phet.colorado.edu/en/simulation/magnet-and-compass Magnet and Compass  by PhET
2. http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=915.0 Magnetic field generated bar magnet by Fu-Kwun Hwang
3. http://www.walter-fendt.de/ph14e/mfbar.htm Magnetic Field of a Bar Magnet by Walter Fendt
4. http://phet.colorado.edu/en/simulation/faraday#topics Faraday's Electromagnetic Lab by PhET
5. https://simphy.com/view_simulation?earth-magnetic-field-simulation-3d&PHPSESSID