Damages Caused By Harmful Insects for Primary 2

Class: Primary Two
Term: Third Term
Subject: pre-vocational Studies
Curriculum Theme: Agricultural Science
Previous Lesson: Examples of Harmful Insects
Topic: Damages Caused by Harmful Insects
Content/Learning Area: Damages caused By Harmful Insects to Humans, Damages Caused By Harmful Insects To Animals, Damages Caused By Harmful Insects To Plants
Time Allocation: 40 minutes

Performance Objectives

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

• Cognitive Domain:

1. List at least three damages caused by harmful insects to humans, animals, adn plants.
2. Affective Domain:
3. Appreciate the importance of controlling harmful insects.
4. Psychomotor Domain:
5. Discuss with peers the impact of harmful insects in their community.
6. Social Domain:
7. Participate actively in class discussions.

Reference Materials

• 9 – Years Basic Education Curriculum
• Abuja Educational Resource Center Scheme of Work
• NAPPS National Unified Scheme of Work
• online Data
• Relevant Textbooks

Instructional Materials

To deliver this lesson, the teacher will use a whiteboard or chart paper, markers, and relevant pictures of harmful insects and the damages they cause.

Rationale for the lesson

Understanding the damages caused by harmful insects is crucial for developing effective pest control strategies and protecting human health,animal welfare,and agricultural productivity.

Prerequisite/Previous Knowledge

The teacher will start by asking pupils to recall the types of harmful insects they learned about in the previous lesson. A brief review of these insects will be conducted to refresh their memories and create a smooth transition into the new topic.

Lesson Content

Damages Caused By Harmful Insects

Harmful insects can cause notable damage to humans, animals, and plants, leading to health issues, economic losses, and environmental problems.

Damages Caused By Harmful Insects To Humans

Harmful insects can transmit diseases, cause discomfort, and trigger allergic reactions in humans. The following are examples:

1. Mosquitoes spread diseases like malaria, yellow fever, and Zika virus.
2. Bedbugs cause itchy bites and skin infections, leading to discomfort and potential secondary infections.
3. Some insects trigger allergic reactions, such as asthma, skin rashes, and anaphylaxis in sensitive individuals.
4. Insects can contaminate food and water, causing food poisoning, diarrhea, and other gastrointestinal illnesses.
5. Lice cause itching and discomfort, leading to skin irritation and potential secondary infections.

Damages Caused By Harmful Insects To Animals

Harmful insects can transmit diseases, cause discomfort, and reduce productivity in animals. These include:

1. Ticks attach to animals, sucking blood and causing weakness and disease, such as Lyme disease and babesiosis.
2. Fleas cause itching and spread diseases, such as tapeworms and murine typhus.
3. Insects can damage animal crops, leading to food shortages, malnutrition, and economic losses for farmers.
4. Flies can transmit diseases to animals, such as pinkeye and anthrax, affecting their health and productivity.
5. mites cause skin irritation and mange in animals, leading to discomfort and reduced growth rates.

Damages Caused By Harmful Insects To Plants

Harmful insects can damage plants by feeding on their tissues, transmitting diseases, and reducing their ability to grow and reproduce. Examples are:

1. Locusts consume large amounts of crops, destroying food supplies, leading to famine and economic losses.
2. Aphids suck plant sap, weakening and stunting plant growth, reducing crop yields and quality.
3. Caterpillars eat plant leaves, hindering growth, affecting photosynthesis and overall plant health.
4. Some insects spread plant diseases, causing crop failure, leading to significant agricultural losses.
5. Beetles bore into plant stems and roots, weakening the plant structure and making them susceptible to diseases.

Teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Discussion, question and Answer, and Group Work.

Instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set induction
Teacher’s Activity: Review previous lesson on harmful insects. Introduce the topic: Damages caused by harmful insects.
Pupils’ Activity: Respond to teacher’s questions, listen attentively.

Step 2: description of Key Concepts

Time: 10 minutes
Teaching Skill: Explaining
Teacher’s Activity: Explain the different ways harmful insects cause damage to humans, animals, and plants using examples.
Pupils’ Activity: Listen attentively, ask clarifying questions.

Step 3: Presentation/Guided Practise

Time: 10 minutes
Teaching Skill: Demonstrating
Teacher’s Activity: show pictures of insects and the damage they cause. Guide pupils through examples of each type of damage.Pupils’ Activity: Observe, participate in discussions, answer questions.

Step 4: Autonomous Practice

Time: 5 minutes
teaching Skill: Monitoring
Teacher’s Activity: Facilitate group discussions on the impact of harmful insects in their community.
Pupils’ Activity: Work in groups to discuss and share their ideas.

Step 5: Note-Taking

Time: 5 minutes
teaching Skill: Note-taking
Teacher’s Activity: Guide pupils in taking notes on key points of the lesson.
Pupils’ Activity: Wriet down key points and examples.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Ask evaluation questions to assess understanding.
Pupils’ activity: Answer questions individually or in pairs.

Step 7: conclusion

Time: 5 minutes
Teaching Skill: Summarizing
Teacher’s Activity: Summarize the key points discussed and assign homework.
pupils’ Activity: Listen to the summary and note the homework assignment.

Lesson Keywords

• Mosquitoes – Insects that can transmit diseases like malaria.
• Aphids – Small insects that suck plant sap, weakening the plant.
• Locusts – Insects that consume large amounts of crops.
• Ticks – Parasites that attach to animals and suck blood.
• fleas – Small insects that cause itching and can spread diseases.

Lesson Evaluation

To evaluate the learning,the teacher asks pupils to:

1. Name one disease spread by mosquitoes.
2. How do ticks affect animals?
3. List two ways insects damage plants.
4. Why is it crucial to control harmful insects?

Assignment/Homework

1. Draw pictures of harmful insects and the damage they cause.
2. List three ways to protect plants from harmful insects.

Differentiation

• For slower learners: Provide one-on-one assistance and simplified explanations.
• For advanced learners: Encourage them to research additional information on specific harmful insects and their impact.
• For visual/auditory/kinesthetic learners: Use visual aids, discussions, and hands-on activities to cater to different learning styles.

Note for Teachers

Ensure to use real-life examples and visual aids to enhance understanding. Encourage pupils to share their experiences and observations related to harmful insects in their environment.