CP: How It’s Made: Razor Blades

Class Plans
Featured Image

Set the Scene:

Let’s start with some engaging questions to connect your everyday life to the subject of razor blade manufacturing. Please consider the following:

  • Have you ever wondered how razor blades are made?
  • What do you think is the most important factor in making a razor blade sharp and durable?
  • How do you think the manufacturing process of razor blades has evolved over time?
  • Have you ever used a razor blade and thought about the process that went into making it?
  • What do you think are some common challenges in manufacturing razor blades?

Featured Image Analysis & Prediction:

Look at the featured image and describe what you see. What do you think this activity will be about based on this image? Please consider the following questions:

  • What objects or materials do you see in the image?
  • What do you think is happening in the image?
  • How does the image relate to the topic of razor blade manufacturing?

Introduction:

Please read the introduction to the activity, which describes the process of making razor blades. Pay attention to the key facts and vocabulary related to the topic.

Video Engagement:

Watch the video associated with the activity, which can be found at https://www.youtube.com/watch?v=eeI7q_eIs7g. Pause the video at the following strategic points and discuss the questions:

  1. Pause at 2:00 minutes: What is the purpose of the heat treatment process in making razor blades? How does it affect the properties of the metal?
  2. Pause at 4:00 minutes: What is quenching, and how is it used in the manufacturing process of razor blades? What are the benefits of quenching?
  3. Pause at 6:00 minutes: What is the purpose of applying a chromium-based coating and a non-stick coating to the razor blades? How do these coatings improve the performance of the blades?

For more information about the activity, please visit the original post at https://maestrocursos.com.br/quizzed-esl-activities/how-its-made-razor-blades/.

Output Requirements:

Please ensure that you have completed all the tasks and discussed the questions with your partner or instructor. Your output should include:

  • A description of the featured image and your predictions about the activity
  • A summary of the key facts and vocabulary related to razor blade manufacturing
  • Answers to the questions posed during the video engagement
  • A reflection on what you learned from the activity and how it relates to your everyday life