Lesson Plan | Active Learning | Organic Functions: Amide Nomenclature

Assumptions: This Active Lesson Plan assumes: a 100-minute class, prior student study with both the Book and the start of Project development, and that only one activity (among the three suggested) will be chosen to be conducted during the class, as each activity is designed to take up a significant portion of the available time.

Objectives

Duration: (5 - 10 minutes)

The Objectives stage is crucial to establish a clear foundation of what is expected for students to achieve by the end of the lesson. By defining specific and measurable objectives, students will have guidance to focus on the most important aspects of amide nomenclature, avoiding confusion with other organic functions and ensuring they can apply the knowledge effectively in practical and theoretical situations.

Main Objectives:

1. Enable students to correctly name amides using IUPAC nomenclature, distinguishing them from other organic functions.

2. Develop the ability to recognize and identify amides in complex molecules, applying the appropriate nomenclature.

Side Objectives:

1. Encourage the practical application of amide nomenclature in everyday examples and in industrial chemistry.

Introduction

Duration: (15 - 20 minutes)

The introduction aims to engage students with the content they studied previously, using problem situations that stimulate critical thinking and practical application of knowledge. Additionally, the contextualization aims to show the relevance of amides in the real world, increasing student interest in the subject and demonstrating how chemistry is present in various practical applications.

Problem-Based Situations

1. Consider the following scenario: a pharmaceutical laboratory identifies a new molecule with potential to treat a rare disease. One of the characteristics of this molecule is the presence of an amide function. What would be the initial step to correctly name this molecule?

2. Imagine you are a scientist working at a flavors and fragrances company. While analyzing a new aroma, you discover that one of its components is an amide. How would you name this amide so your team can understand and replicate the substance?

Contextualization

Amides are extremely important in the pharmaceutical industry, being found in many medications. Furthermore, these substances are fundamental in the production of polymers, such as nylon, which is used in clothing and automotive parts. Interestingly, the bitter flavor of amides is present in many fruits, such as cherries, and is used in the food and perfumery industries. Understanding the nomenclature of amides not only aids in the identification and creation of new compounds but is also essential to ensure the safety and efficacy of products we use daily.

Development

Duration: (70 - 75 minutes)

The Development stage is designed for students to practically and interactively apply the knowledge gained about amide nomenclature. Through playful and contextualized activities, students are challenged to think critically, work in teams, and apply theory in situations that simulate the real world. This approach not only reinforces learning but also prepares students to face real challenges in their future careers in science and related industries.

Activity Suggestions

It is recommended to carry out only one of the suggested activities

Activity 1 - Mystery in the Kitchen: The Amide Spice Case

> Duration: (60 - 70 minutes)

- Objective: Apply the knowledge of amide nomenclature in a playful and practical context, developing argumentation and teamwork skills.

- Description: Students will be divided into groups of up to 5 people and will assume the role of culinary scientists. They will receive a set of cards, each describing a famous dish from different cuisines around the world that contain organic compounds. One of the cards will include the description of a dish that, in its recipe, uses a spice rich in amide. The group's challenge will be to correctly identify which dish contains the amide, name the amide present, and justify their choice using the nomenclature knowledge learned.

- Instructions:

• Divide the class into groups of up to 5 students.

• Distribute the dish cards among the groups.

• Each group will analyze the cards, visually identifying which dish may contain the amide spice.

• After deciding, the group must name the amide present in the dish using IUPAC nomenclature.

• Prepare a brief presentation explaining their choice and justifying it based on chemical knowledge.

Activity 2 - The Perfume Factory

> Duration: (60 - 70 minutes)

- Objective: Use amide nomenclature to create a final product, promoting practical application of knowledge and development of planning and presentation skills.

- Description: In this activity, students, organized in groups, will simulate the role of chemists in a perfume factory. They will receive a list of ingredients and must identify which of them contain amides. After identification, the groups must correctly name the amides and plan the use of these compounds in creating a new perfume, justifying their choices based on the nomenclature and properties of amides.

- Instructions:

• Organize students into groups of up to 5 people.

• Provide the list of ingredients that can be used to create a perfume, including some amides.

• Groups must identify the amides on the list and name them correctly according to IUPAC nomenclature.

• Develop a plan for the use of amides in creating the perfume, explaining the properties that favor their choice.

• Each group will present their plan and justify their choices during the creation of the perfume.

Activity 3 - Medication Detectives: The Cure in the Name of an Amide

> Duration: (60 - 70 minutes)

- Objective: Develop research, analysis, and application skills of amide nomenclature in an important scientific context, such as discovering new medicines.

- Description: Student groups will act as detectives in a pharmaceutical laboratory, where they will receive information about a promising new molecule for treating a serious disease, whose composition includes an amide. The challenge will be to name the present amide, explain its structure, and discuss how this structure may influence the efficacy of the medication. Additionally, students should prepare a brief report on the importance of precise nomenclature for drug development.

- Instructions:

• Divide the class into groups of up to 5 students.

• Provide each group with partial information about the new molecule, highlighting the presence of the amide.

• Groups must name the amide present in the molecule using IUPAC nomenclature.

• Prepare a report explaining the influence of the amide's structure on the efficacy of the medication.

• Each group will present their findings and report to the class.

Feedback

Duration: (15 - 20 minutes)

The purpose of this stage is to consolidate students' learning, allowing them to reflect on the practical activities and discuss the application of knowledge in real or simulated situations. This discussion helps identify and correct possible misunderstandings, in addition to promoting a greater understanding of the importance of amide nomenclature in various contexts, from culinary to pharmaceutical industries.

Group Discussion

At the end of the activities, promote a large discussion among the groups. Start the discussion with a brief introduction, highlighting the importance of collaboration and mutual learning. Ask each group to share their findings, challenges faced, and how they applied prior knowledge about amide nomenclature in the proposed tasks. Encourage students to explain their choices and debate possible variations in responses, always returning to theory to justify or correct understandings.

Key Questions

1. What were the main challenges encountered when applying amide nomenclature in the proposed activities?

2. How can precision in naming amides influence the application of their compounds in different industries?

3. Was there any situation where theory was not sufficient to solve the problem? How did you resolve it?

Conclusion

Duration: (10 - 15 minutes)

The purpose of the Conclusion stage is to reinforce and synthesize the main learnings of the lesson, ensuring that students have clarity and memory of the concepts covered. Additionally, it aims to highlight the importance of connecting theory and practice, preparing students to apply knowledge in varied and real contexts. This stage serves to consolidate understanding and motivate students, showing the relevance of what has been learned for their academic and professional lives.

Summary

To conclude, it is essential to highlight that the nomenclature of amides, through IUPAC, is crucial for the effective identification and communication of compounds that contain this organic function. During the lesson, students reviewed and applied their knowledge, distinguishing amides from other organic functions and naming them correctly in various practical situations, such as in cooking, perfume production, and the discovery of new medications.

Theory Connection

Today's lesson was structured to directly connect theory with practice. Through playful and contextualized activities, students not only reinforced theoretical knowledge about amide nomenclature but also applied this knowledge in scenarios that simulate real applications, such as in the pharmaceutical industry and the creation of chemical products. This approach aims not only for memorization but for a deep understanding of the subject and its practical relevance.

Closing

Finally, understanding the nomenclature of amides is fundamental not only for academic success but also for the future careers of students, especially those intending to pursue careers in chemistry, pharmaceuticals, or the food industry. The ability to correctly name and differentiate amides can directly impact the daily work of these professionals, ensuring the safety and efficacy of the chemical and pharmaceutical products they handle.