Objectives (5 - 7 minutes)

1. Understanding the puberty process: Students should be able to describe what puberty is, what physical and emotional changes occur during this period, and how these changes are different for boys and girls.

2. Identifying bodily changes in puberty: Students should be able to identify and describe the main physical changes that occur during puberty, including the growth of genital organs, breast development, the growth of pubic and armpit hair, and the onset of acne.

3. Understanding hormonal changes in puberty: Students should be able to understand the role of hormones in puberty, including the role of growth hormone, sex hormones (estrogen and testosterone), and the hormone that regulates the menstrual cycle (progesterone).

Secondary objectives:

• Development of research and presentation skills: To achieve the main objectives, students will be encouraged to conduct independent research from reliable sources, organize the acquired information, and prepare an oral presentation to share what they have learned with the class.

• Promotion of understanding and empathy: By discussing puberty, students will also have the opportunity to develop a better understanding and empathy towards the experiences and challenges faced by their peers during this transition period.

The teacher should start the lesson by reviewing the basic concepts of human reproductive system anatomy and physiology, as these will be fundamental for understanding the topic of puberty. The review can include a quick recap of the names and functions of the main reproductive organs, as well as a brief discussion about the menstrual cycle and the reproduction process.

Objectives (5 - 7 minutes)

1. Understanding the puberty process: Students should be able to describe what puberty is, what physical and emotional changes occur during this period, and how these changes are different for boys and girls.

2. Identifying bodily changes in puberty: Students should be able to identify and describe the main physical changes that occur during puberty, including the growth of genital organs, breast development, the growth of pubic and armpit hair, and the onset of acne.

3. Understanding hormonal changes in puberty: Students should be able to understand the role of hormones in puberty, including the role of growth hormone, sex hormones (estrogen and testosterone), and the hormone that regulates the menstrual cycle (progesterone).

Secondary objectives:

• Development of research and presentation skills: To achieve the main objectives, students will be encouraged to conduct independent research from reliable sources, organize the acquired information, and prepare an oral presentation to share what they have learned with the class.

• Promotion of understanding and empathy: By discussing puberty, students will also have the opportunity to develop a better understanding and empathy towards the experiences and challenges faced by their peers during this transition period.

The teacher should start the lesson by reviewing the basic concepts of human reproductive system anatomy and physiology, as these will be fundamental for understanding the topic of puberty. The review can include a quick recap of the names and functions of the main reproductive organs, as well as a brief discussion about the menstrual cycle and the reproduction process.

Introduction (10 - 12 minutes)

1. Review of Previous Content:

   • The teacher should start the lesson by reminding students of the basic concepts of human reproductive system anatomy and physiology, including the main organs and their functions.
   • The importance of these organs in reproduction and in the production of the hormones that will be discussed during the lesson should be emphasized.
   • The teacher can ask students questions to assess their understanding and retention of these concepts, such as: "What are the main organs of the human reproductive system?" or "What are hormones and what is their role in the body?".

2. Problem Situations:

   • The teacher can propose two hypothetical situations to introduce the topic of puberty:
     1. "Imagine you are a 10-year-old boy and you noticed that your body is changing. Your parents said it is normal and part of the growth process. What do you think is happening to your body?"
     2. "Now, imagine you are an 11-year-old girl and you noticed that your breasts are starting to grow. You got worried and asked your mother what was happening. She said it is normal and part of the process of becoming a woman. What do you think is happening to your body?".
   • These situations should spark students' curiosity and prepare them for the discussion about puberty.

3. Contextualization:

   • The teacher should contextualize the importance of studying puberty, explaining that it is a natural and universal process that all human beings go through.
   • It should be emphasized that puberty is a crucial period in human development, as it marks the beginning of reproductive capability and brings several physical and emotional changes.

4. Gaining Students' Attention:

   • To capture students' attention on the topic, the teacher can share some curiosities about puberty. For example:
     1. "Did you know that the term 'puberty' comes from the Latin 'pubertas', which means 'adulthood'?"
     2. "Did you know that puberty starts at different times for boys and girls? It usually starts between 8 and 14 years for girls, and between 9 and 15 years for boys.".
   • The teacher can also share some stories of overcoming or challenges faced during puberty to illustrate the importance of understanding and accepting these changes.

At the end of the Introduction, students should be engaged and prepared to learn more about puberty, its physical and hormonal changes, and its impact on human development.

Development (20 - 25 minutes)

1. Presentation of Theory (10 - 12 minutes):

   • The teacher should start by presenting the definition of puberty. They can explain that puberty is the transition period between childhood and adulthood, during which various physical and emotional changes occur in the body, preparing it for reproduction.
   • Next, the teacher should discuss the physical changes that occur during puberty. For girls, this includes breast growth, the growth of pubic and armpit hair, the onset of the menstrual cycle, and hip development. For boys, this includes the growth of genital organs, the growth of pubic and armpit hair, and muscle growth.
   • The teacher should then address the hormonal changes that occur during puberty. They can explain that puberty is triggered by the production of sex hormones, such as estrogen in girls and testosterone in boys, which are responsible for the characteristic physical changes of each sex. The teacher should also discuss the role of growth hormone, which is responsible for the rapid growth that occurs during puberty.
   • Finally, the teacher should talk about the emotional changes that occur during puberty. They can explain that, due to hormonal changes and physical changes, teenagers may experience mood swings, increased libido, and new emotions and feelings.

2. Practical Activity (5 - 7 minutes):

   • After the presentation of the theory, the teacher should divide the class into groups. Each group will be responsible for researching more about one of the aspects discussed in the theory (physical changes, hormonal changes, or emotional changes).
   • Students should use textbooks, encyclopedias, reliable websites, or other sources of information to collect data on the chosen aspect. They should record the information on a poster or in a digital document.
   • The teacher should circulate around the room, guiding the groups, answering questions, and ensuring that everyone is engaged in the activity.

3. Presentation and Discussion (5 - 6 minutes):

   • After the research is completed, each group should present their findings to the class. They should explain the aspect they researched, share the information they found, and discuss the importance of this aspect in understanding puberty.
   • After each presentation, the teacher should facilitate a discussion, encouraging other students to ask questions and share their own experiences and observations.
   • The teacher should use this discussion to clarify any misunderstandings, reinforce key concepts, and promote a better understanding and acceptance of the changes that occur during puberty.

At the end of the Development, students should have a clear understanding of what puberty is, what physical and emotional changes occur during this period, and how these changes are different for boys and girls. They should also have developed research and presentation skills, and had the opportunity to discuss and reflect on puberty in a safe and respectful manner.

Return (8 - 10 minutes)

1. Review and Connection with Theory (3 - 4 minutes):

   • The teacher should gather the students and briefly review the main concepts discussed during the lesson, recalling the definition of puberty, the physical and emotional changes that occur during this period, and the role of hormones in puberty.
   • Next, the teacher should ask students to make connections between the presented theory and the practical activity performed. For example, they can be asked how the information they researched relates to the discussed theory, or how the practical activity helped deepen their understanding of puberty.
   • The teacher should encourage students to share their reflections, ensuring that everyone has the opportunity to participate and that all contributions are valued.

2. Checking Understanding (2 - 3 minutes):

   • To check students' understanding of the topic, the teacher can propose a small quiz with multiple-choice or true/false questions. The questions should cover the main points discussed during the lesson, including the definition of puberty, the physical and emotional changes that occur during this period, and the role of hormones in puberty.
   • After the quiz is completed, the teacher should review the answers with the students, correcting any mistakes and clarifying any doubts that may have arisen. The teacher should emphasize that the assessment is not punitive, but rather an opportunity to learn and improve.

3. Final Reflection (3 - 4 minutes):

   • The teacher should propose that students reflect on what they learned during the lesson. They can be asked about what was the most important concept they learned, what questions remain unanswered, or how they feel about the topic after the lesson.
   • Students should have a minute to think about their answers. Then, the teacher should invite some students to share their reflections with the class. The goal of this activity is to promote metacognition and self-reflection, helping students become more aware of their own learning process.
   • The teacher should end the lesson by reinforcing the importance of puberty in human development and encouraging students to continue researching and learning about the topic.

At the end of the Return, students should have had the opportunity to review and reflect on what they learned during the lesson, check their understanding of the topic, and express any doubts or concerns they may have. This will help the teacher assess the effectiveness of the lesson and plan future interventions if necessary.

Conclusion (5 - 7 minutes)

1. Summary of Contents (2 - 3 minutes):

   • The teacher should recap the main points discussed during the lesson, recalling the definition of puberty, the physical and emotional changes that occur during this period, and the role of hormones in puberty.
   • They should emphasize that puberty is a natural and universal process, and that while the details may vary from person to person, there are general patterns that can be observed.
   • The teacher should reinforce the importance of understanding and accepting the changes that occur during puberty, both for the physical and emotional well-being of teenagers.

2. Connection between Theory, Practice, and Applications (1 - 2 minutes):

   • The teacher should explain how the lesson connected the theory (the definition and processes of puberty) with practice (the research and presentation of different aspects of puberty) and applications (understanding and accepting the changes of puberty).
   • They should emphasize that the ability to make these connections is an important skill that will help students apply what they have learned in real-world situations.

3. Extra Materials (1 - 2 minutes):

   • The teacher should suggest some additional materials for students who want to deepen their knowledge about puberty. These materials can include books, documentaries, educational websites, and interactive online resources.
   • The teacher can, for example, recommend the book "What's Happening to My Body? Book for Girls: A Growing-Up Guide for Parents and Daughters" by Lynda Madaras and Area Madaras, or the "KidsHealth" website by the Nemours Foundation, which offers information about puberty in accessible language for children and teenagers.

4. Importance of the Topic (1 minute):

   • Finally, the teacher should highlight the importance of studying puberty, explaining that understanding and accepting the changes that occur during this period are fundamental for the health and well-being of teenagers.
   • They should reiterate that puberty is a natural and universal process, and that all human beings will go through it. Therefore, it is essential that students have a clear and accurate understanding of what puberty is and what to expect during this period.

At the end of the Conclusion, students should have a comprehensive understanding of the topic, feel more comfortable with the changes that occur during puberty, and be encouraged to continue learning about this important stage of human development.