Light Energy Sources Basic Science Primary 1 First Term Lesson Notes Week 8

Lesson Plan Presentation

Subject: Basic Science

Class: Primary 1

Term: First Term

Week: 8

Age: 6 years

Topic: Energy IV

Sub-topic: Light Energy Sources

Duration: 60 minutes

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

  1. Explain the meaning of light.
  2. Discuss the natural sources of light.
  3. Analyze artificial sources of light.
  4. Assess the importance of artificial and natural light in their environment.

Key Words:

  • Light
  • Natural
  • Artificial
  • Sun
  • Fire
  • Lamp
  • Electricity

Set Induction:

  • Begin with a question: “What helps us see things in the dark?”

Entry Behaviour:

  • Pupils have basic understanding of energy from previous lessons.

Learning Resources and Materials:

  • Pictures of natural and artificial light sources
  • Flashcards with names and images of light sources
  • Real-life examples (e.g., flashlight, candle, light bulb)

Building Background/Connection to Prior Knowledge:

  • Discuss how light is a form of energy that helps us see.

Embedded Core Skills:

  • Critical thinking
  • Observation
  • Communication

Reference Books:

  • Lagos State Scheme of Work for Primary Schools

Instructional Materials:

  • Flashcards with pictures of light sources
  • Charts showing natural and artificial light sources


Explanation of the Topic:

  1. Meaning of Light:
    • Light is a form of energy that makes it possible to see things.
  2. Natural Sources of Light:
    • Sun: The main source of natural light.
    • Fire: Produces light when it burns.
    • Stars: Other natural light sources in the night sky.
  3. Artificial Sources of Light:
    • Light Bulb: Uses electricity to produce light.
    • Candle: Produces light when it burns.
    • Flashlight: Uses batteries to produce light.
    • Lamp: Uses electricity or batteries to produce light.
  4. Importance of Natural and Artificial Light:
    • Natural Light: Helps plants grow, provides daylight, and supports natural processes.
    • Artificial Light: Allows us to see in the dark, used in homes, schools, and streets, helps us do activities at night.


  1. Light is a form of _____ (a) food (b) energy (c) water (d) air.
  2. The main natural source of light is the _____ (a) moon (b) stars (c) sun (d) fire.
  3. A flashlight uses _____ to produce light (a) water (b) batteries (c) air (d) food.
  4. _____ is a natural source of light (a) Candle (b) Fire (c) Light bulb (d) Lamp.
  5. A light bulb uses _____ to produce light (a) air (b) food (c) electricity (d) water.
  6. Stars provide light at _____ (a) night (b) day (c) evening (d) morning.
  7. A candle produces light when it _____ (a) freezes (b) melts (c) burns (d) grows.
  8. Natural light helps _____ to grow (a) plants (b) toys (c) books (d) cars.
  9. Artificial light is used in _____ (a) homes (b) schools (c) streets (d) all of the above.
  10. We use artificial light to see in the _____ (a) dark (b) water (c) sun (d) air.

Class Activity Discussion

  1. What is light?
    • Light is a form of energy that makes it possible to see things.
  2. What is the main natural source of light?
    • The sun is the main natural source of light.
  3. Can you name other natural sources of light?
    • Yes, fire and stars are other natural sources of light.
  4. What is an artificial source of light?
    • An artificial source of light is a man-made source, like a light bulb or candle.
  5. How does a flashlight produce light?
    • A flashlight produces light using batteries.
  6. Why is natural light important?
    • Natural light helps plants grow and provides daylight for us to see.
  7. Why do we need artificial light?
    • We need artificial light to see in the dark and to do activities at night.
  8. How does a light bulb work?
    • A light bulb uses electricity to produce light.
  9. What happens when a candle burns?
    • When a candle burns, it produces light.
  10. Where do we use artificial light?
    • We use artificial light in homes, schools, and on streets.


Step 1: Revising the Previous Topic

  • Briefly review what was learned in the last lesson about energy transformation.

Step 2: Introducing the New Topic

  • Explain the meaning of light and introduce natural and artificial sources of light.

Step 3: Class Contributions

  • Ask pupils to mention sources of light they know.
  • Discuss the importance of each source of light.

Teacher’s Activities

  • Show pictures and real-life examples of natural and artificial light sources.
  • Guide pupils in identifying and discussing the sources and uses of light.

Learners’ Activities

  • Listen and participate in discussions.
  • Identify and name sources of light.
  • Discuss the importance of light in their environment.


  • Observe pupils’ participation and understanding during the lesson.
  • Use the fill-in-the-blank questions to assess comprehension.

Evaluation Questions

  1. What is light?
  2. Name two natural sources of light.
  3. How does a flashlight produce light?
  4. What happens when a candle burns?
  5. Why is the sun important?
  6. What are artificial sources of light used for?
  7. Name two artificial sources of light.
  8. Why do we need light at night?
  9. How does a light bulb work?
  10. Why is natural light important for plants?


  • The teacher goes around to check pupils’ work and provide feedback.
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