Lesson Plan | Teachy Methodology | Determination of Molecular Formula
| Keywords | Determination of Molecular Formula, Chemistry, 1st Year of High School, Percentage Compositions, Digital Methodology, Active Learning, Social Media, Storytelling, Gamification, RPG, Digital Content, Interactivity |
| Required Materials | Cell phones or mobile devices, Internet access, Social Media Profiles (Instagram, YouTube), Video editing applications, Online game creation tools (Kahoot!, Google Forms), Writing materials (paper and pen for sketching scripts), Audiovisual resources (cameras, microphones, etc.) |
Objectives
Duration: 10 - 15 minutes
The purpose of this stage is to provide students with a clear and comprehensive view of the lesson objectives, outlining what is expected for them to understand and be able to achieve by the end of the lesson. This helps focus the students' attention and prepares them for the practical activities that will follow, ensuring they are aligned with the expected outcomes.
Main Objectives
1. Understand the concept of molecular formula and its importance in chemistry.
2. Apply calculation methods to determine the molecular formula from percentage compositions.
Side Objectives
- Develop skills in interpreting and analyzing chemical data.
- Use digital tools to facilitate calculation and visualization of molecular formulas.
Introduction
Duration: 10 - 15 minutes
The purpose of this stage is to initially engage students through a research activity that connects the theme of the lesson to the digital reality. This not only sparks interest but also prepares students for the opening debate, where they will share their findings and deepen their understanding of the topic.
Warming Up
Warm-up: The concept of molecular formula is crucial for understanding the chemical composition of compounds. It helps us identify the number and type of atoms in a specific molecule. To begin, ask students to use their cell phones to find an interesting fact about determining the molecular formula. It can be a historical fact, a practical application, or an intriguing case. Ask them to share their findings with the class!
Initial Reflections
1. What is the difference between empirical formula and molecular formula?
2. Why is it important to determine the molecular formula of a compound?
3. What methods are used to determine the molecular formula?
4. How does percentage composition assist in determining the molecular formula?
5. What are the most common challenges when determining the molecular formula?
Development
Duration: 70 - 80 minutes
The purpose of this stage of the lesson plan is to provide students with a practical and interactive experience that deepens their knowledge about determining molecular formulas. Using digital methodologies and playful environments, the development stage seeks to creatively engage students, contextualizing learning with tools and processes from today's digital world.
Activity Suggestions
It is recommended that only one of the suggested activities be carried out
Activity 1 - Unraveling the Mystery of the Molecular Formula 🌟
> Duration: 60 - 70 minutes
- Objective: Apply the knowledge of determining molecular formula in a playful and interactive way, using social media to create scientific storytelling.
- Description: Students will be challenged to solve a chemical mystery in an interactive story created on Instagram. Each group will create a series of 'stories' and posts to explain how to determine the molecular formula of a mysterious compound they found during a fictional scientific expedition.
- Instructions:
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Divide students into groups of up to 5 people.
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Each group should create an Instagram profile (or use an existing profile) for their science team.
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The team must choose a chemical compound and use the percentage compositions to determine its molecular formula.
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Create a fictional narrative in which the team discovered this compound on an expedition. The story should contain suspense, scientific discoveries, and the application of the method for determining the molecular formula.
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Use the 'stories' to detail the step-by-step calculation of the molecular formula, including photos, videos, and explanatory graphs.
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Encourage teams to add creative and interactive elements, such as polls, quizzes, and questions for followers, to engage the audience.
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At the end, post a detailed and conclusive solution, revealing the correct molecular formula and explaining the reasoning behind the calculation.
Activity 2 - Chemical Digital Influencer 🚀
> Duration: 60 - 70 minutes
- Objective: Promote understanding of the calculation of molecular formula through digital content creation, developing communication skills and creativity.
- Description: In this activity, students become digital influencers in the world of chemistry. Each group must create content for a vlog or YouTube channel explaining how to determine the molecular formula of chemical compounds. They should use creativity and humor to make the content engaging.
- Instructions:
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Divide students into groups of up to 5 people.
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Each group should create a fictional YouTube channel or vlog focused on chemistry.
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Choose a chemical compound and use percentage compositions to determine its molecular formula.
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Develop a script that explains, step-by-step, how to perform the calculation of the molecular formula.
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Incorporate humorous elements, analogies with everyday life, and practical examples to make the content accessible and fun.
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Record the video using cell phones and edit it to add visual effects, music, and other enhancements.
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Present the completed video to the class and discuss the approaches used by each group.
Activity 3 - Chemistry Gamification: Molecular Adventure 🧩
> Duration: 60 - 70 minutes
- Objective: Integrate chemistry concepts with gamification elements to offer a dynamic and engaging learning experience.
- Description: Students will participate in a digital RPG (Role-Playing Game) where each group is a team of scientists on a mission to save the world from a chemical threat. They must solve riddles and challenges related to determining molecular formulas to advance in the game.
- Instructions:
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Divide students into groups of up to 5 people.
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Utilize an online game creation platform, such as Kahoot! or Google Forms, to set up the RPG mission.
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Each stage of the game will present a challenge or chemical riddle related to the determination of the molecular formula of different compounds.
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Students must use their knowledge of percentage compositions to solve the challenges and advance to the next stage.
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Incorporate storytelling elements, such as intriguing characters, plot twists, and rewards to keep students engaged.
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End the game with a final challenging phase that reinforces the knowledge acquired during the game.
Feedback
Duration: 15 - 20 minutes
The purpose of this stage is to consolidate learning through sharing experiences and reflections, as well as to promote a constructive feedback environment. The group discussion offers the opportunity for students to review the concepts learned, identify areas for improvement, and appreciate the different approaches adopted by their peers. The 360° feedback helps develop interpersonal and teamwork skills, essential both in academic and professional contexts.
Group Discussion
Promote an open discussion among all students. Suggest that each group briefly presents the work they carried out, highlighting the molecular formula they determined, the sequence of steps they followed, and the difficulties they faced. A suggested outline for this discussion could be:
- Introduction by each group (2-3 minutes).
- Presentation of challenges faced (2-3 minutes).
- Reflection on what they learned (2-3 minutes).
- Open questions and answers between groups (5-7 minutes). Encourage students to ask each other questions and discuss alternative solutions and different strategies.
Reflections
1. What was the biggest challenge you faced in determining the molecular formula and how did you overcome it? 2. How did the use of social media and digital content help in understanding the concept of molecular formula? 3. What did you learn about teamwork and collaboration during this activity?
360° Feedback
Conduct a 360° feedback step. Instruct students to give constructive and respectful feedback to each other. Guide them to focus on points such as:
- Collaboration and participation in the group.
- Creativity in addressing the problem.
- Clarity and accuracy in explaining concepts. Each student should provide positive feedback and one suggestion for improvement for each group member.
Conclusion
Duration: 10 - 15 minutes
💭Purpose: This stage aims to consolidate and reinforce the concepts learned during the lesson in a light and interesting way. By connecting the content with students' daily lives and highlighting its practical applications, the conclusion helps solidify learning and demonstrate the relevance of the studied topic in the real context.📚
Summary
📜Summary with a Modern Touch: Today, in our amazing chemistry class, students transformed into chemical detectives, digital influencers, and RPG players! We explored how to determine the molecular formula of chemical compounds using percentage compositions. Fun was guaranteed with social media, funny videos on YouTube, and a digital RPG game full of riddles!🌟
World Connection
🌐Connection with the Current World: Today's lesson showed how chemistry can be as contemporary as an Instagram post or a viral YouTube video. We used tools and platforms that are part of students' daily lives to explore scientific concepts, demonstrating that learning can be dynamic and aligned with current trends.💡
Practical Application
🔬Applications in Daily Life: Understanding the determination of molecular formula is essential for various fields, such as pharmacology, biotechnology, and even food production. Knowing how to calculate these formulas helps us understand and innovate in products we use every day, from medications to cosmetics and food.📈
