Class: Senior Secondary School 1 (SS1 / SSS 1)
Term: Second Term
Week: 7
Age: 15 years
Duration: 45 minutes
Subject: Photography
Curriculum Theme: Trade
Previous Lesson: Practical: Indoor And Outdoor Shooting.
Topic: THE DARKROOM
Subject Matter: Meaning of darkroom, Darkroom layout

Specific Objectives

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

Cognitive Domain:

Define a darkroom.
State the purpose of a darkroom in photography.
Identify the basic components and layout of a darkroom.

Affective Domain:

Appreciate the importance of a darkroom for photographic processes.
Show interest in learning more about darkroom procedures.

Psychomotor Domain:

Point out common darkroom equipment.
Sketch a simple darkroom layout.

Participate actively in discussions about darkroom safety.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Cultural and Creative Arts (CCA)
State Unified Scheme of Work for Photography (SSS 1)
Any standard Senior Secondary School Photography textbook.
https://www.dummies.com/photography/film-photography/darkroom-basics-for-film-photography/
https://www.bhphotovideo.com/explora/photography/tips-and-solutions/how-set-darkroom-basics

Instructional Materials

The teacher will teach this lesson with the aid of:

A darkroom door (simulated or real)
Red safelight
Developing trays
Measuring cylinders
Thermometer
Timer
Enlarger (diagram or actual)
Chart showing a typical darkroom layout

Rationale for the Lesson

Understanding the darkroom is important for pupils learning photography because it is where film is processed and prints are made. This knowledge helps pupils appreciate the practical aspects of traditional photography and the controlled environment needed for it.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of cameras and the concept of light in photography.

Lesson Content/Board Summary

THE DARKROOM

Meaning of Darkroom

A darkroom is a light-tight room used for processing light-sensitive photographic materials, such as photographic film and paper.

Purpose of a Darkroom

The darkroom serves several key purposes in traditional photography:

It provides a controlled environment free from unwanted light, which can expose light-sensitive materials prematurely.
It allows for the development of film, where the latent image becomes visible.
It is used for printing photographs from negatives onto photographic paper.
It facilitates the use of chemicals for processing without damaging light-sensitive materials.

Basic Darkroom Layout and Components

A functional darkroom typically includes the following essential components:

Light-tight entry: A door or labyrinth system that prevents any white light from entering the room.
Safelights: Special lights that emit light of a specific colour (usually red or amber) that does not affect photographic paper, allowing the user to see while working.
Wet side: An area with sinks and running water for chemical processing (developing, stopping, fixing, washing). It includes trays for chemicals.
Dry side: An area for handling dry materials like film and paper before processing, and for printing. This side usually contains the enlarger.
Enlarger: A device used to project the image from a negative onto photographic paper to make prints.
Timer: Used to accurately measure exposure and processing times.
Thermometer: Essential for monitoring the temperature of processing chemicals, as temperature affects development.
Chemicals: Developer, stop bath, and fixer solutions for film and paper processing.
Ventilation: A system to remove chemical fumes and ensure air circulation.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them what they think happens to a film after it has been exposed in a camera. The teacher also asks if they know where photographs are developed traditionally.
Pupils’ Activity: Pupils respond to the questions, sharing their ideas about film development and photo processing.
Learning Point: Pupils recall prior knowledge and are introduced to the lesson topic.

Step 2: Meaning of Darkroom

Time: 7 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher explains the meaning of a darkroom, emphasizing its light-tight nature and purpose for processing light-sensitive materials. The teacher writes the definition on the board.
Pupils’ Activity: Pupils listen attentively, take notes, and define the term “darkroom” in their own words.
Learning Point: Pupils understand the definition of a darkroom.

Step 3: Purpose of a Darkroom

Time: 8 minutes
Teaching Skill: Explanation/Discussion
Teacher’s Activity: The teacher elaborates on the various purposes of a darkroom, such as film development, printing, and chemical handling. The teacher encourages pupils to discuss why a darkroom is necessary for these tasks.
Pupils’ Activity: Pupils listen, contribute to the discussion, and state the purposes of a darkroom.
Learning Point: Pupils identify the functions of a darkroom in photography.

Step 4: Basic Darkroom Layout and Components

Time: 10 minutes
Teaching Skill: Demonstration/Illustration
Teacher’s Activity: The teacher describes and illustrates the basic layout of a darkroom, distinguishing between the wet and dry sides. The teacher points out and explains the function of key components using diagrams, actual items (if available), or pictures (e.g., safelight, trays, enlarger, timer).
Pupils’ Activity: Pupils observe the illustrations, identify the components, and take notes on their functions. They may sketch a simple layout.
Learning Point: Pupils can identify and describe the main parts of a darkroom.

Step 5: Safety Precautions in the Darkroom

Time: 5 minutes
Teaching Skill: Safety Instruction
Teacher’s Activity: The teacher discusses important safety precautions to observe when working in a darkroom, such as proper handling of chemicals, ensuring good ventilation, and avoiding electrical hazards near water.
Pupils’ Activity: Pupils listen, ask questions, and list some safety measures for darkroom use.
Learning Point: Pupils understand the importance of safety in a darkroom.

Step 6: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

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

What is a darkroom?
State two purposes of a darkroom.
Mention three essential components found in a darkroom.
Distinguish between the “wet side” and “dry side” of a darkroom.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 7: Conclusion

Time: 5 minutes
Teaching Skill: Summarization/Consolidation
Teacher’s Activity: The teacher summarizes the key points of the lesson, reiterating the definition, purpose, and basic layout of a darkroom. The teacher assigns homework: “Draw and label a simple darkroom layout.”
Pupils’ Activity: Pupils listen to the summary, ask any final questions, and copy down the homework.
Learning Point: Pupils consolidate their understanding of the darkroom.

Lesson Keywords

Darkroom – A light-tight room used for processing light-sensitive photographic materials.
Safelight – A light source that provides illumination in a darkroom without exposing photographic paper.
Enlarger – An optical apparatus used to project a photographic image onto paper to make a print.
Developer – A chemical solution used to convert the latent image on film or paper into a visible image.
Fixer – A chemical solution that removes unexposed silver halides from film or paper, making the image permanent and light-fast.

Differentiation

For pupils who grasp concepts quickly, the teacher can challenge them to research different types of darkroom setups (e.g., modular darkrooms). For those needing more support, the teacher will provide simplified diagrams and offer one-on-one explanations of the darkroom components.

Note for teachers using this lesson plan

If an actual darkroom is not available, use detailed diagrams, videos, or a simulated setup with labeled materials to illustrate the concepts effectively. Emphasize safety precautions, especially if discussing chemical handling.