Set the Scene:
Let’s start with some engaging questions to connect your everyday life to the subject of thermite reactions and rail welding. Have you ever wondered how railway tracks are maintained to ensure safe and smooth train operations? Have you noticed any differences in the railway tracks when traveling by train? How do you think the railway tracks are able to withstand the forces of thermal expansion and contraction? What do you think would happen if the rails were not properly aligned and welded together? How do you think the use of thermite reactions in rail welding has impacted the railway industry?
Featured Image Analysis & Prediction:
Take a look at the featured image and describe what you see. What do you think this activity will be about based on this image? What do you think the image is trying to convey about thermite reactions and rail welding? What questions do you have about the image and how it relates to the topic?
Introduction:
Read the introduction to the activity and get a sense of what thermite reactions and rail welding are all about. Pay attention to the key terms and concepts introduced in the introduction, such as thermite reactions, rail welding, and thermal expansion.
Video Engagement:
Watch the video associated with the activity, which can be found at https://www.youtube.com/watch?v=Rdj5-6t6QI8. Pause the video at the following strategic points:
- When the video explains the process of thermite reactions and how they are used in rail welding.
- When the video discusses the importance of proper alignment and welding of the rails.
- When the video explains how thermite steel is produced and its properties.
For each pause point, reflect on or discuss the following questions:
- What did you learn about thermite reactions and rail welding from this section of the video?
- How do you think the process of thermite reactions and rail welding is important for the railway industry?
- What do you think are the benefits and challenges of using thermite reactions in rail welding?
Visit the original post at https://maestrocursos.com.br/quizzed-esl-activities/why-dont-railroads-need-expansion-joints/ for more information and resources.
Key Vocabulary and Grammar Focus:
Review the key vocabulary and grammar focus sections to learn more about the language and concepts used in the activity. Pay attention to the definitions, example usage, and grammar explanations to improve your understanding of the topic.
Complete the vocabulary quiz and grammar quiz to test your knowledge and understanding of the key concepts and language.
