Class: Junior Secondary School 3 (JSS 3 / JS3)
Term: 3rd Term
Week: 4
Age: 14 years
Duration: 45 minutes
Subject: Basic Science and Technology
Curriculum Theme: Basic Science
Previous Lesson: Radioactivity: Meaning of Radioactivity.
Topic: ETHICAL ISSUES IN SCIENCE AND DEVELOPMENT
Subject Matter: Meaning and wrong application of Science, Implication of bad scientific practices: Adverse effects on a country
Specific Objectives
By the end of the lesson, pupils should be able to:
Cognitive Domain:
- Define science and ethics.
- Identify various wrong applications of science.
- List the adverse effects of bad scientific practices on a country.
Affective Domain:
- Appreciate the importance of ethical considerations in scientific development.
- Show concern for the negative impacts of scientific misuse.
Psychomotor Domain:
- Discuss examples of scientific misuse in their community.
- Propose simple solutions to mitigate the adverse effects of scientific practices.
Social Domain:
- Promote responsible use of scientific knowledge and technology.
- Advocate for ethical scientific development in their environment.
Reference Materials
The following resources were used in planning this lesson:
- 9 Years Basic Education Curriculum
- State Unified Scheme of Work
- Basic Science and Technology for Junior Secondary Schools Book 3
Instructional Materials
The teacher will teach this lesson with the aid of:
- Charts showing examples of scientific developments and their impacts.
- Pictures depicting environmental pollution or health issues caused by technology.
- Case studies of ethical dilemmas in science.
Rationale for the Lesson
This lesson helps pupils understand that science, while beneficial, must be applied responsibly. It enables them to recognize the potential negative consequences of misusing scientific knowledge and encourages them to consider ethical implications in scientific advancements for the good of society and their country.
Prerequisite/Previous Knowledge
Pupils should have basic knowledge of what science is and some common scientific discoveries and inventions.
Lesson Content/Board Summary
ETHICAL ISSUES IN SCIENCE AND DEVELOPMENT
Meaning of Science
Science is a systematic study of the natural and physical world through observation and experimentation. It is a way of understanding how things work and developing new technologies.
Wrong Application of Science
The wrong application of science occurs when scientific knowledge or technology is used for purposes that cause harm, rather than for the benefit of humanity or the environment. This often happens due to lack of ethical consideration or selfish motives.
The following are examples of wrong applications of science:
- Development of harmful weapons (e.g., biological, chemical, nuclear weapons).
- Pollution from industrial activities (e.g., air, water, soil pollution).
- Misuse of genetic engineering (e.g., creating harmful organisms).
- Cybercrime and data privacy breaches using advanced computing.
- Deforestation and habitat destruction due to industrial expansion.
- Production of harmful substances like illicit drugs.
Implications of Bad Scientific Practices: Adverse Effects on a Country
Bad scientific practices and the wrong application of science can have severe negative consequences for a country. These adverse effects can impact various aspects of national life.
The following are some adverse effects:
- Environmental Degradation: Leads to pollution of air, water, and soil; loss of biodiversity; climate change; and destruction of natural resources.
- Health Crises: Causes diseases, epidemics, and long-term health problems due to contaminated environments or harmful products.
- Economic Setbacks: Results in huge costs for environmental cleanup, healthcare, and loss of productivity due to illness or resource depletion. It can also lead to international sanctions.
- Social Instability: Can cause displacement of communities, conflicts over resources, and public distrust in scientific institutions or government.
- Ethical Dilemmas: Raises complex moral questions that challenge societal values and norms, leading to debates and divisions.
- Loss of Reputation: A country known for bad scientific practices may lose international trust and collaboration opportunities.
- Resource Exhaustion: Unsustainable use of natural resources through advanced but unethical scientific methods can lead to their rapid depletion.
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 understand by “science” and to mention some benefits of science in their daily lives.
Pupils’ Activity: Pupils respond by defining science and giving examples of its benefits.
Learning Point: Pupils recall prior knowledge about science and its positive impacts.
Step 2: Meaning of Science and Ethical Issues
Time: 8 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher explains the meaning of science and introduces the concept of ethical issues, emphasizing that science should be used for good.
Pupils’ Activity: Pupils listen attentively and ask questions for clarification.
Learning Point: Pupils understand the definition of science and the importance of ethics in its application.
Step 3: Wrong Application of Science
Time: 8 minutes
Teaching Skill: Illustration/Discussion
Teacher’s Activity: The teacher discusses various ways science can be wrongly applied, providing examples like pollution, harmful weapons, and cybercrime. The teacher may use charts or pictures.
Pupils’ Activity: Pupils contribute examples from their observations and discuss the potential harm.
Learning Point: Pupils identify specific instances where science is misused.
Step 4: Implications of Bad Scientific Practices
Time: 10 minutes
Teaching Skill: Brainstorming/Analysis
Teacher’s Activity: The teacher leads a discussion on the adverse effects of bad scientific practices on a country, focusing on environmental, health, and economic impacts, and writes key points on the board.
Pupils’ Activity: Pupils share their thoughts on how these practices affect their country and take notes.
Learning Point: Pupils understand the negative consequences of unethical scientific applications.
Step 5: Group Discussion/Case Study
Time: 5 minutes
Teaching Skill: Collaborative Learning
Teacher’s Activity: The teacher divides pupils into small groups and gives them a short case study or a scenario related to a scientific ethical dilemma for them to discuss and suggest solutions.
Pupils’ Activity: Pupils discuss in groups and present their findings and proposed solutions.
Learning Point: Pupils apply their understanding to real-world situations and develop critical thinking.
Step 6: Teacher Summarizes
Time: 2 minutes
Teaching Skill: Summarization
Teacher’s Activity: The teacher briefly summarizes the key points of the lesson, reinforcing the importance of ethical science.
Pupils’ Activity: Pupils listen and ensure their notes are complete.
Learning Point: Key concepts are reinforced for better retention.
Step 7: Evaluation/Review
Time: 5 minutes
Teaching Skill: Questioning/Assessment
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:
- What is science?
- Mention three examples of the wrong application of science.
- List four adverse effects of bad scientific practices on a country.
Pupils’ Activity: Pupils answer orally and in writing.
Learning Point: Pupils demonstrate understanding of the lesson.
Step 8: Conclusion
Time: 2 minutes
Teaching Skill: Consolidation
Teacher’s Activity: The teacher commends the pupils for their participation and assigns homework: “Research and write down one ethical issue related to technology development in Nigeria and suggest a way it can be addressed.”
Pupils’ Activity: Pupils copy the homework and prepare for the next lesson.
Learning Point: Pupils consolidate their learning and apply it to a local context.
Lesson Keywords
- Science – A systematic study of the natural and physical world through observation and experimentation.
- Ethics – Moral principles that govern a person’s behaviour or the conducting of an activity.
- Application – The action of putting something into operation or use.
- Implication – The conclusion that can be drawn from something although it is not explicitly stated.
- Adverse effects – Negative or undesirable results or consequences.
Differentiation
For pupils who grasp concepts quickly, the teacher will encourage them to research specific examples of ethical scientific dilemmas in various fields like medicine or agriculture. For pupils needing more support, the teacher will provide simplified examples and extra guidance during group activities, focusing on key definitions and a few main adverse effects.
Note for teachers using this lesson plan
Teachers should encourage active participation and critical thinking throughout the lesson. Using local examples of scientific misuse (e.g., illegal mining, waste disposal) can make the topic more relatable. Emphasize that science itself is neutral; it is its application that can be good or bad.

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