Effects of Wind Basic Science Primary 3 Second Term Lesson Notes Week 3

Subject: Basic Science
Class: Primary 3
Term: Second Term
Week: 3
Topic: Effects of Wind
Sub-topic: Useful and Harmful Effects of Wind
Duration: 45 minutes
Entry Behaviour: Students are familiar with the concept of wind and its basic characteristics.
Key Words: Wind, effects, useful, harmful
Behavioural Objectives: By the end of the lesson, students should be able to:

• Identify 10 useful effects of wind.
• Identify 10 harmful effects of wind.
• Understand the importance of wind in our environment.

Embedded Core Skills: Critical thinking, observation, categorization

Learning Materials: Charts, illustrations of wind effects, markers, whiteboard

Reference Materials: Lagos State Scheme of Work, Basic Science Textbook 3

• Content:

1. Introduction to the topic of wind and its effects.
2. Discussing 10 useful effects of wind, such as pollination, cooling, and power generation.
3. Explaining 10 harmful effects of wind, including damage to structures, erosion, and health issues.
4. Emphasizing the importance of wind in nature and human activities.

Useful Effects of Wind:

1. Helps in pollination by carrying pollen grains from one flower to another.
2. Provides a cooling effect on hot days by carrying away heat from the surface of the Earth.
3. Powers windmills to generate electricity, which we use to light our homes and run appliances.
4. Helps in dispersing seeds of plants, allowing them to spread and grow in new areas.
5. Dries clothes faster when hung out to dry by blowing away moisture.
6. Assists in sailing boats and ships across water bodies, making transportation easier.
7. Enables flying kites and gliders for recreational activities.
8. Generates waves in oceans and seas, which are important for marine life and ecosystems.
9. Aids in spreading beneficial insects and birds to different locations.
10. Supports birds in flying long distances during migration.

Harmful Effects of Wind:

1. Causes damage to buildings, trees, and crops during strong storms and hurricanes.
2. Leads to erosion of soil by blowing away the top layer, which affects farming and land fertility.
3. Creates dust storms in arid regions, reducing visibility and causing respiratory problems.
4. Disrupts outdoor activities such as picnics and sports events when it becomes too strong.
5. Causes discomfort and inconvenience by blowing dust and debris into our eyes and faces.
6. Damages power lines and infrastructure, leading to power outages and disruptions in services.
7. Causes wildfires to spread quickly by fanning the flames with its strong gusts.
8. Leads to loss of property and livelihoods due to destruction caused by tornadoes and cyclones.
9. Displaces people from their homes and communities during severe weather events.
10. Contributes to global warming by spreading pollutants and greenhouse gases in the atmosphere.

Evaluation

1. Wind helps in ________ by carrying pollen grains from one flower to another. a) transportation
   b) pollination
   c) irrigation
   d) cultivation
2. Wind provides a ________ effect on hot days by carrying away heat from the surface of the Earth. a) cooling
   b) heating
   c) freezing
   d) drying
3. Wind powers ________ to generate electricity, which we use to light our homes and run appliances. a) solar panels
   b) windmills
   c) hydroelectric dams
   d) nuclear plants
4. Wind helps in ________ seeds of plants, allowing them to spread and grow in new areas. a) collecting
   b) dispersing
   c) burying
   d) destroying
5. Wind dries clothes faster when hung out to dry by blowing away ________. a) water
   b) dust
   c) moisture
   d) insects
6. Wind assists in sailing ________ and ships across water bodies, making transportation easier. a) airplanes
   b) boats
   c) trains
   d) cars
7. Wind enables flying ________ and gliders for recreational activities. a) cars
   b) planes
   c) kites
   d) rockets
8. Wind generates waves in oceans and seas, which are important for ________ life and ecosystems. a) terrestrial
   b) marine
   c) aerial
   d) underground
9. Wind aids in spreading beneficial ________ and birds to different locations. a) insects
   b) reptiles
   c) mammals
   d) amphibians
10. Wind supports birds in flying long distances during ________. a) hibernation
    b) migration
    c) adaptation
    d) reproduction
11. Wind causes damage to buildings, trees, and crops during strong ________ and hurricanes. a) storms
    b) earthquakes
    c) droughts
    d) floods
12. Wind leads to erosion of ________ by blowing away the top layer, affecting farming and land fertility. a) air
    b) water
    c) soil
    d) rocks
13. Wind creates dust storms in ________ regions, reducing visibility and causing respiratory problems. a) humid
    b) arid
    c) tropical
    d) polar
14. Wind disrupts outdoor activities such as picnics and sports events when it becomes too ________. a) weak
    b) strong
    c) calm
    d) cloudy
15. Wind damages power lines and infrastructure, leading to power outages and disruptions in ________. a) services
    b) education
    c) communication
    d) transportation

1. Presentation:
2. Step 1: Revision of previous topic: Reviewing the characteristics of wind learned in the previous lesson. Air in Motion Meaning and Effects of Wind Basic Science Primary 2 Second Term Lesson Notes Week 2
3. Step 2: Introducing the new topic: Presenting the concept of useful and harmful effects of wind using illustrations and examples.
4. Step 3: Teacher’s Activities: Explaining each effect of wind, discussing examples, and encouraging students to ask questions.
5. Learners activities: Participating in class discussions, observing illustrations, and taking notes.
6. Assessment: Asking students to list at least five useful effects and five harmful effects of wind.
7.  Evaluation :
   1. What are some useful effects of wind?
   2. Give an example of wind being used to generate electricity.
   3. How does wind help in pollination?
   4. List two harmful effects of strong winds.
   5. What can wind do to buildings during a storm?
   6. How does wind contribute to erosion?
   7. Name a recreational activity that uses wind.
   8. What health issues can arise from dust storms caused by wind?
   9. How does wind help in spreading seeds of plants?
   10. Why is it important to understand the effects of wind?
8. Conclusion: Reviewing the lesson highlights, answering any remaining questions, and providing feedback on students’ understanding.