Plate-Making Practical and Excursion for SS 3

Class: SS 3
Term: First Term
Week: 8
Age: 16 years
Duration: 45 minutes
Subject: Printing Craft
Topic: PLATE MAKING
Subject Matter: Practical/excursion

Previous Lesson: Steps in plate making, correcting on plate and plate preservation

Specific Objectives

By the end of the lesson, pupils/students should be able to:

Cognitive Domain

• Describe the key stages involved in the plate-making process as observed during the excursion.
• Explain the importance of practical experience in understanding printing craft.

Affective Domain

• Appreciate the precision and care required in plate making.
• Demonstrate safety consciousness and adherence to instructions during the practical excursion.

Psychomotor Domain

• Participate effectively in the plate-making practical/excursion.
• Observe and record relevant details of the plate-making process.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• A suitable Printing Craft textbook for SS 3
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• Notebooks and pens for students to take notes
• Safety guidelines/checklist for the excursion
• A suitable printing press or workshop for the practical demonstration

Rationale for the Lesson

This lesson provides students with invaluable hands-on experience in plate making, bridging the gap between theoretical knowledge and practical application. It helps students visualise the actual processes, equipment, and safety measures involved in the printing industry. Such practical exposure enhances their understanding and prepares them for future careers in printing craft.

Prerequisite/Previous Knowledge

Students should have a basic theoretical understanding of the plate-making process and its importance in printing.

Lesson Content/Board Summary

PLATE MAKING

Importance of Practical Excursions in Printing Craft

Practical excursions are crucial for students of Printing Craft because they:

1. Provide hands-on experience and real-world application of theoretical knowledge.
2. Help students understand the actual processes and equipment used in plate making.
3. Enhance observation skills and critical thinking about industrial processes.
4. Expose students to workplace environments and safety protocols.
5. Motivate students by showing the relevance of their studies to actual production.

Overview of the Plate-Making Process (as observed during practical)

During the practical excursion, students observe the various stages involved in converting a design into a printing plate. While specific methods may vary (e.g., offset, flexographic), common steps observed include:

1. Artwork Preparation: Ensuring the design is ready for transfer, often involving digital files or film negatives.
2. Image Carrier Selection: Choosing the appropriate plate material (e.g., aluminium, polymer) based on the printing method.
3. Plate Coating/Sensitisation: Applying a light-sensitive emulsion to the plate surface in a controlled environment.
4. Image Exposure: Transferring the image from a film negative or digital source onto the sensitised plate using a light source (e.g., UV light).
5. Plate Development: Washing away unexposed areas (for positive plates) or exposed areas (for negative plates) to reveal the image on the plate.
6. Graining/Finishing: Treating the plate surface to enhance its ink receptivity and water repellency (especially for offset plates).
7. Plate Inspection: Thoroughly checking the plate for accuracy, defects, and overall quality before it is mounted on the printing press.

Key Observations During Plate Making Practical

During the excursion, students should pay close attention to:

1. The types of chemicals and equipment used at each stage.
2. The precision, cleanliness, and care required throughout the process.
3. Safety measures and personal protective equipment (PPE) implemented in the workshop.
4. The role of quality control in ensuring a high-quality final printing plate.

Teaching Methods/Instructional Techniques

Excursion, Demonstration, Observation, Discussion, Question and Answer, Guided Practice.

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Explaining/Motivating

Teacher’s Activity: The teacher introduces the lesson by explaining the importance of practical experience in printing craft, especially in plate making. The teacher informs students about the upcoming excursion to a printing press/workshop to observe the plate-making process firsthand.

Pupils’ Activity: Students listen attentively and ask clarifying questions about the excursion.

Learning Point: Excursion purpose and importance

Step 2: Excursion Briefing and Safety

Time: 5 minutes

Teaching Skill: Instruction/Safety Briefing

Teacher’s Activity: The teacher briefs the students on the objectives of the excursion, expectations for their behaviour, and crucial safety precautions to observe at the printing press/workshop. The teacher also outlines what they should look out for during the plate-making demonstration.

Pupils’ Activity: Students listen to the briefing, ask questions about safety, and prepare their notebooks for observations.

Learning Point: Excursion rules and safety

Step 3: Travel to Practical Site

Time: 10 minutes

Teaching Skill: Organisation/Supervision

Teacher’s Activity: The teacher leads the students in an organised manner to the designated printing press or workshop for the practical demonstration.

Pupils’ Activity: Students move orderly to the practical site, adhering to the teacher’s instructions.

Learning Point: Organised movement to site

Step 4: Practical Demonstration/Observation

Time: 10 minutes

Teaching Skill: Facilitation/Demonstration

Teacher’s Activity: At the site, the teacher (or a designated demonstrator) guides students through the actual plate-making process, explaining each step. The teacher encourages students to observe carefully and take notes.

Pupils’ Activity: Students observe the plate-making process keenly, noting down key stages, equipment, and materials used.

Learning Point: Plate-making process observation

Step 5: Guided Observation and Q&A

Time: 5 minutes

Teaching Skill: Questioning/Clarification

Teacher’s Activity: The teacher facilitates a question-and-answer session, allowing students to ask questions about the observed process. The teacher clarifies any misconceptions and highlights important aspects.

Pupils’ Activity: Students ask questions and listen to explanations, deepening their understanding of the practical aspects.

Learning Point: Clarifying practical details

Step 6: Return and Debrief

Time: 5 minutes

Teaching Skill: Discussion/Consolidation

Teacher’s Activity: The teacher leads the students back to the classroom (or a suitable debriefing area) and initiates a brief discussion about their initial thoughts and observations from the excursion.

Pupils’ Activity: Students return in an orderly manner and share their immediate observations and experiences.

Learning Point: Initial excursion reflections

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention two key stages you observed in the plate-making process.
2. Why is it important for Printing Craft students to go on practical excursions?
3. What safety measure did you notice during the practical?
4. Describe one piece of equipment used in plate making that you observed.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Understanding plate-making practical

Step 8: Note-Taking

Time: 4 minutes

Teaching Skill: Guided Writing

Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes, focusing on the importance of the excursion and the observed plate-making steps, into their notebooks.

Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Recording practical observations

Step 9: Conclusion

Time: 1 minute

Teaching Skill: Reinforcement

Teacher’s Activity: The teacher concludes the lesson by reiterating the value of practical experience in mastering printing craft and encourages students to reflect further on their excursion.

Pupils’ Activity: Students listen and prepare for the next activity.

Learning Point: Value of practical learning

Continuous Assessment/Further Study

Type: Report Writing

Instruction: Write a detailed report on your plate-making practical excursion. Your report should include:

1. The date and location of the excursion.
2. A brief introduction stating the purpose of the excursion.
3. A detailed description of the plate-making process observed, including key stages, equipment, and materials.
4. Any safety measures observed.
5. Your personal observations and learning points from the excursion.
6. A conclusion summarising your experience.

Lesson Keywords

• Plate Making – The process of creating a printing plate from an original design.
• Excursion – A short journey or trip, especially one engaged in as a leisure activity or for educational purposes.
• Practical – Involving or characterised by actual use or experience rather than theory.
• Observation – The action or process of observing something or someone carefully or in order to gain information.
• Report – A written account of something that one has observed, heard, done, or investigated.

Differentiation

For slower learners, the teacher will provide a structured template for their excursion report, highlighting key areas to focus on. Faster learners will be encouraged to research different plate-making methods (e.g., CTP, flexography) and include a comparative analysis in their report.

Suggested Lesson Videos

Search on YouTube for: plate making process printing craft

Teacher Guide for Using This Lesson Plan

Before this lesson, ensure all arrangements for the practical excursion are confirmed, including transportation, permission from the printing press/workshop, and parental consent if required. Emphasise to students the importance of active observation and note-taking during the practical. During the excursion, guide students through each step of the plate-making process, allowing time for questions. Upon returning, facilitate a debriefing session to consolidate their learning. Students should copy the Board Summary notes (Step 8) after the review questions (Step 7) to ensure they record accurate information about the observed processes and their importance. Pay close attention to safety throughout the excursion and ensure all students adhere to instructions. Provide support for students who may struggle with detailed observation or report writing by offering prompts and guidance.