Free Time Fellow-Up Of A Chemical Transformation Lesson Plan for 12th Grade Students

Topic: Time follow-up of a chemical transformation

Objectives & Outcomes

• Understand the concept of time follow-up of a chemical transformation, and be able to carry out a time follow-up experiment.

Materials

• Chemical substances A and B
• Two glass vessels (e.g. test tubes)
• Water
• Timer
• Pen and paper for recording observations

Warm-up

• Ask students to brainstorm a list of chemical reactions that they are familiar with.
• Write the names of the reactions on the board.
• Ask students to explain the processes that they think take place during the chemical reactions.
• Discuss the processes and reach a consensus regarding the time follow-up of the reactions.

Direct Instruction

• Introduce the concept of time follow-up of a chemical transformation and its importance in understanding the kinetics of a reaction.
• Discuss how to determine the time follow-up of a reaction using a variety of methods, including:
• The use of a stopwatch to time the progress of the reaction;
• The use of a colorimetric reagent to detect the presence of a characteristic color;
• The use of a pH meter to detect the change in pH of a solution.
• Explain how to use each of the methods to determine the time follow-up of a reaction.

Guided Practice

• Have students work in pairs to perform a time follow-up of a reaction using one of the methods discussed in the lesson.
• Provide each pair with a reaction mixture, a colorimetric reagent, a stopwatch, and a pH meter.
• Have students perform the time follow-up of the reaction using the methods discussed in the lesson.
• Have students record the time follow-up of the reaction and interpret the results.
• Have students present their results to the class.

Independent Practice

• Have students work in groups to perform a time follow-up of a reaction using a different method from those discussed in the lesson.
• Provide each group with a reaction mixture, a colorimetric reagent, a stopwatch, and a pH meter.
• Have students perform the time follow-up of the reaction using the method they choose.
• Have students record the time follow-up of the reaction and interpret the results.
• Have students present their results to the class.

Closure

• Review the main points of the lesson.
• Ask students to summarize the main points of the lesson in their own words.
• Ask students to share what they learned from the independent practice activity.

Assessment

• Give a quiz on the material covered in the lesson, including definitions of key terms and concepts, and multiple choice, fill-in-the-blank, and short answer questions.
• Use the independent practice activity as a form of assessment, evaluating students' ability to apply concepts and skills in a real-world context.