Lesson Plan | Teachy Methodology | Stoichiometry: Stoichiometry Problems

Objectives

Duration: 10 - 15 minutes

The purpose of this stage is to ensure that students clearly understand the goals of the lesson, which include the competence to solve complex stoichiometric problems and the ability to apply this knowledge in a practical and contextualized manner with modern reality.

Main Objectives

1. Empower students to solve stoichiometry problems, including calculations of mass, volume, number of moles, and atoms.

2. Teach students to deal with excess compounds and impurities in samples.

Side Objectives

1. Encourage the ability to apply stoichiometry knowledge in real-world contexts, such as chemical and pharmaceutical industries.
2. Develop technological skills using digital tools to solve stoichiometric problems.

Introduction

Duration: 10 - 15 minutes

 Purpose: The purpose of this stage is to connect students with the study topic in a practical and current way, using available technology to create an interactive and engaging learning environment. This prepares students to delve into stoichiometric problems with an open and curious mindset.

Warming Up

離 Warm-up: To start the lesson on stoichiometry, it's important to connect the topic to the students' reality and spark their interest. Briefly explain the importance of stoichiometry in chemistry, highlighting how it is fundamental for the pharmaceutical, food, and environmental industries. Then, ask students to use their phones to find an interesting fact about the application of stoichiometry in daily life. Once they have found it, ask them to share their discoveries with the rest of the class.

Initial Reflections

1.  What did you find interesting about stoichiometry in your online research?

2. ❓ Why do you think stoichiometry is important for industries?

3. 樂 How do you think stoichiometry can impact the daily lives of ordinary people?

4. ⚖️ Can you think of an example where stoichiometric calculation would be crucial for the efficiency of a chemical process?

Development

Duration: 65 - 75 minutes

The purpose of this stage is to provide active and interactive learning, allowing students to apply stoichiometry concepts in practical and modern contexts. Utilizing current technologies and dynamics, students will develop problem-solving and collaboration skills, making the teaching process more engaging and meaningful.

Activity Suggestions

It is recommended that only one of the suggested activities be carried out

Activity 1 - 離 Digital Lab: The Perfect Formula

> Duration: 60 - 70 minutes

- Objective: Allow students to apply stoichiometry concepts in a real scenario and use digital tools to solve complex problems.

- Description: Students will solve a stoichiometry problem in the context of a pharmaceutical industry, calculating the amount of reagents needed to produce a medication. They will use a digital platform for simulating chemical reactions to visualize and adjust the proportions of the reagents.

- Instructions:

• Divide students into groups of up to 5 students.

• Each group will receive a digital scenario of a chemical reaction involved in producing a medication, using an online chemistry simulation platform.

• Students must calculate the amount of each reagent needed, considering impurities and excess reagents.

• Use the platform to adjust the proportions of the reagents and check if the final product matches the desired amount.

• Students must create a digital report using tools like Google Docs, detailing the calculations and proportions used, as well as screenshots of the simulation.

• Groups should share the report with the class through a school social media network or a collaborative platform like Google Classroom.

Activity 2 -  TikTok Challenge: Chemistry Influencers

> Duration: 60 - 70 minutes

- Objective: Encourage students' creativity and communication skills, using a popular platform to make learning more interactive and accessible.

- Description: Students will create a video on TikTok explaining a stoichiometry problem and the solution in a creative and engaging way, as if they were digital influencers explaining to their followers.

- Instructions:

• Divide students into groups of up to 5 students.

• Each group must choose a stoichiometry problem and solve it using previously studied concepts.

• Students must create a script for a short explanatory video (up to 3 minutes), clearly and captivatingly addressing the problem and solution.

• Use their phones to film the video, applying visual effects and music available on the TikTok platform to make the explanation more engaging.

• Publish the video on the TikTok platform using a specific class hashtag (#StoichiometryEM2023) and share the link with the class through a collaborative platform like Google Classroom.

• Videos should be watched and commented on by peers, encouraging constructive feedback.

Activity 3 -  Gamification: Chemical Adventure

> Duration: 60 - 70 minutes

- Objective: Encourage cooperation among students and make learning stoichiometry more dynamic and fun through playful elements.

- Description: Students will participate in an online game where they must solve stoichiometry problems to advance through different stages of a fictional scenario, using an educational gamification platform.

- Instructions:

• Divide students into groups of up to 5 students.

• Each group will access an educational gamification platform (like Kahoot!, Quizizz, or Socrative) with a game specifically created for the stoichiometry lesson.

• Groups must solve stoichiometry problems at each stage of the game, with increasing difficulty levels.

• Each correctly solved problem will allow the group to advance to the next stage. Incorrect problems will provide hints to correct the errors.

• The progress of the groups will be monitored in real time, and there will be a leaderboard to encourage healthy competition among students.

• The group that reaches the final stage first will be awarded a participation bonus (for example, extra points or a certificate of achievement).

Feedback

Duration: 15 - 20 minutes

 Purpose: The purpose of this stage is to promote deep reflection on the activities performed, allowing students to share their knowledge and learn from each other. Additionally, the 360° feedback aims to develop self-criticism and interpersonal communication skills, essential for the academic and personal growth of students.

Group Discussion

 Group Discussion: Promote a group discussion where groups share what they learned while conducting the stoichiometry problem-solving activities, creating TikTok videos, and playing gamification games. Use the following script to introduce the discussion:

Present a summary of the activities performed during the lesson and the importance of applying stoichiometric concepts in different contexts. Encourage each group to share the main challenges encountered and how they overcame them. Ask the students how they think they can apply what they learned in real-life situations outside the classroom.

Reflections

1. 易 Reflection Questions:

1. What were the main challenges you encountered when solving stoichiometry problems?
2. How did the use of digital tools facilitate or hinder the resolution of these problems?
3. How do you think you could apply the concepts learned today in a real context, such as in the chemical or pharmaceutical industry?

360° Feedback

✅ 360° Feedback: Guide students to participate in a 360° feedback stage, where each student should receive feedback from other group members about their participation during the activities. Instruct students to be constructive, highlighting strengths and areas for improvement in a respectful manner. Use a format that helps them structure the feedback, such as:

Strength: Identify a positive aspect of the colleague's contribution. Area for Improvement: Suggest something that the colleague can do to improve in future similar activities. Final Feedback: Make a final comment encouraging the colleague to continue striving and learning.

Conclusion

Duration: 10 - 15 minutes

 Purpose: The purpose of this stage is to synthesize the acquired knowledge in a fun way and relate it to the real world, reinforcing the practical importance of stoichiometry. Additionally, it aims to connect learning to the modern context, showing students how the skills they have developed can be applied in their future careers and everyday life.

Summary

離 Fun Summary of the Lesson: Imagine you are a chemical cook in a culinary reality show, where the ingredients are chemical reagents and the dishes are molecular compounds. To win, you need to measure everything precisely! Today, we navigated the fascinating world of stoichiometry, balancing reactions, adjusting proportions, and dealing with impurities like true masters of chemical cooking. 

World Connection

 How it connects with the current world: Stoichiometry is the backbone of many modern industries. From developing new drugs in the pharmaceutical industry to ensuring fuel efficiency in the automotive industry, understanding these chemical reactions and their proportions is essential. We used digital technologies and social platforms, which places us directly in the context of today's dynamics, where innovation and technology play a crucial role in learning and applying knowledge.

Practical Application

 Applications in daily life: Knowing stoichiometry is like having a chemical superpower! You can accurately calculate how much product will be formed from certain amounts of reactants, which is essential for any industrial process. In your daily life, this means you can understand how products are manufactured, from the food we eat to the medicines we use to heal ourselves.