Forms of Energy (Light Energy) Basic Science Primary 3 First Term Lesson Notes Week 5

Basic Science Primary 3 First Term Lesson Notes Week 5

Subject: Basic Science
Class: Primary 3
Term: First Term
Week: 5
Age: 8 years
Topic: Forms of Energy (Light Energy)
Sub-topic: Meaning of Light Energy, Sources of Light Energy, Uses of Light Energy
Duration: 40 minutes

Behavioural Objectives

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

1. Explain the meaning of light energy.
2. Identify different sources of light energy.
3. Describe the uses of light energy to humans.
4. Analyze the importance of light in their environment.

Keywords

• Light Energy
• Source
• Sun
• Lamp
• Reflect
• Vision

Set Induction

The teacher will turn off the classroom lights and then turn them back on, asking the pupils what difference they noticed and why light is important.

Entry Behaviour

Pupils have observed and used light sources like the sun and lamps in their daily lives.

Learning Resources and Materials

• Torchlight
• Lamp
• Flashlight
• Pictures of the sun and other light sources

Building Background/Connection to Prior Knowledge

Discuss instances where pupils have used or observed different sources of light in their daily lives.

Embedded Core Skills

• Observation
• Understanding
• Application

Reference Books

• Lagos State Scheme of Work
• Basic Science Textbook for Primary 3

Instructional Materials

• Torchlight
• Lamp
• Flashlight
• Pictures of the sun and other light sources

Content

1. Meaning of Light Energy

• Light energy is the form of energy that makes things visible and enables us to see.

2. Sources of Light Energy

• Sun: The primary source of natural light.
• Lamp: An artificial source of light.
• Flashlight: A portable source of light.

3. Uses of Light Energy

• Helps us see in the dark.
• Used for growing plants (photosynthesis).
• Provides illumination for safety and navigation.

4. Importance of Light in the Environment

• Light is essential for vision and safety.
• It influences daily activities and helps in the growth of plants.

Evaluation

1. Light energy is the form of energy that makes things _____.
   a) warm
   b) visible
   c) heavy
   d) soft
2. The primary source of natural light is the _____.
   a) lamp
   b) flashlight
   c) sun
   d) moon
3. A _____ is a portable source of light.
   a) lamp
   b) sun
   c) flashlight
   d) window
4. Light energy helps us see in the _____.
   a) light
   b) dark
   c) cold
   d) warm
5. Plants use light energy for _____.
   a) photosynthesis
   b) heating
   c) cooling
   d) sleeping
6. Light energy can be produced by a _____.
   a) tree
   b) lamp
   c) book
   d) chair
7. We use light energy to _____.
   a) see
   b) sleep
   c) eat
   d) swim
8. A _____ is an artificial source of light.
   a) sun
   b) lamp
   c) moon
   d) star
9. Light energy is important for _____.
   a) vision
   b) cooking
   c) building
   d) washing
10. _____ provides illumination for safety and navigation.
    a) Darkness
    b) Sunlight
    c) Light energy
    d) Rain
11. Light energy from the _____ helps us see things during the day.
    a) moon
    b) stars
    c) sun
    d) clouds
12. A _____ is used to see in the dark when there is no other light source.
    a) sun
    b) flashlight
    c) television
    d) computer
13. Light energy is necessary for the _____ of plants.
    a) heating
    b) cleaning
    c) growth
    d) painting
14. A _____ is not a source of light energy.
    a) lamp
    b) sun
    c) chair
    d) flashlight
15. Light energy helps us with _____.
    a) seeing
    b) eating
    c) building
    d) measuring

Class Activity Discussion

1. What is light energy?
   Light energy is the form of energy that makes things visible and enables us to see.
2. What is the primary source of natural light?
   The primary source of natural light is the sun.
3. What is a portable source of light?
   A flashlight is a portable source of light.
4. How does light energy help us?
   Light energy helps us see in the dark and perform daily activities.
5. What process do plants use light energy for?
   Plants use light energy for photosynthesis.
6. What are some artificial sources of light?
   Lamps and flashlights are examples of artificial sources of light.
7. Why is light energy important?
   Light energy is important for vision and safety, and it helps with the growth of plants.
8. What can you use if there is no light source available?
   You can use a flashlight to see in the dark.
9. What does light energy influence in our environment?
   Light energy influences our vision and helps with the growth of plants.
10. Can light energy be used for navigation?
    Yes, light energy provides illumination for safety and navigation.
11. What does light energy do for plants?
    Light energy helps plants grow by providing the energy needed for photosynthesis.
12. How does light energy impact our daily activities?
    It helps us perform activities by providing visibility and allowing us to see.
13. What tool helps us see during the night?
    A flashlight helps us see during the night.
14. What is not a source of light energy?
    A chair is not a source of light energy.
15. Why is the sun important?
    The sun is important because it is the primary source of natural light.

Presentation

Step 1: The teacher revises the previous topic which was the measurement of time.

Step 2: The teacher introduces the new topic by showing a flashlight and discussing its uses.

Step 3: The teacher allows the pupils to give their own contributions and corrects them when and where necessary.

Teacher’s Activities

• Show and explain the use of different light sources.
• Discuss the importance of light energy in daily life.
• Ask questions to check understanding.

Learners’ Activities

• Answer questions.
• Participate in discussions about light sources and their uses.
• Describe how light energy helps in their daily activities.

Assessment

• Oral questions and answers.
• Participation in discussions.

Ten Evaluation Questions

1. What is light energy?
2. What is the primary source of natural light?
3. What tool can be used to see in the dark?
4. How does light energy help plants?
5. Name an artificial source of light.
6. Why is light energy important for humans?
7. What process do plants use light energy for?
8. How can you use a flashlight?
9. Why is the sun important for light energy?
10. What is not a source of light energy?

Conclusion

The teacher goes around to mark the pupils’ work and provides feedback.

More Useful Links

• Measurement of Length Basic Science Primary 3 First Term Lesson Notes Week 2
• Measurement of Mass Basic Science Primary 3 First Term Lesson Notes Week 3
• Basic Computer Skills Coding and Robotics Primary 3 First Term Lesson Notes Week 2