Light Energy: Meaning, Sources of Natural and Artificial Sources of Light Basic Science Primary 1 First Term Lesson Notes Week 8

Class: Primary 1

Subject: Basic Science

Topic: Light Energy: Meaning, Sources of Natural and Artificial Sources of Light

Sub-topic: Understanding Light and Its Sources

Duration: 45 minutes

Term: First Term

Week: Week 8

Set Induction: Begin by showing a picture of the Sun and a light bulb to the students. Ask them what these things have in common and how they are different.

Previous Knowledge: Students should have basic knowledge of day and night and the concept of brightness.

Learning Objectives:

1. To understand what light energy is.
2. To identify sources of natural light.
3. To recognize sources of artificial light.

Embedded Core Skills:

• Observation
• Communication
• Critical thinking

Learning Materials:

• Pictures of the Sun, Moon, and stars
• Pictures of light bulbs, flashlights, and candles
• Drawing materials for students

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Content

What is Light?

1. 💡 Definition of Light: Light is a bright thing we see. It helps us see everything around us.
2. 🌞 Source of Light: The Sun is a big source of light. It gives us sunlight during the day.
3. 💡 Artificial Light: We also have light from bulbs, lanterns, and flashlights. They make light when we switch them on.
4. 🔦 How Light Moves: Light travels in straight lines. It goes from its source to our eyes.
5. 🌈 Colors of Light: Light is made up of different colors. When we see a rainbow, it’s because of different colors in light.
6. 🌟 Stars and Moon: Stars and the moon also give us light at night. They are like night lights in the sky.
7. 👁️ Our Eyes: Our eyes help us see light. When we close our eyes, we can’t see anything.
8. 🌇 Day and Night: We see more light during the day when the Sun is up. At night, it gets dark.
9. 🌆 City Lights: In the city, there are lots of lights at night. They make the city look bright and beautiful.
10. 🌌 Light in Space: Even in space, there is light from stars and other objects. Astronauts use special helmets to see in space.

Remember, light is what helps us see the world around us, and it comes from many sources! 🌞💡👁️🌌🚀

What is Light Energy?

1. 💡 Light Energy is Brightness: Light energy is like the brightness from the Sun, bulbs, and flashlights.
2. 🌞 Sunlight is Light Energy: Sun gives us light energy during the day. It makes everything bright.
3. 🔦 Bulbs and Flashlights: Light energy also comes from things like bulbs and flashlights when we switch them on.
4. 🌈 Different Colors: Light energy has different colors, like the colors of a rainbow. Red, blue, green – all come from light.
5. 🌟 Stars and Moon: Stars and the Moon give us light energy at night. They are like night lights in the sky.
6. 👁️ Our Eyes: Our eyes can see this light energy. It helps us see everything around us.
7. 🌇 Day and Night: Light energy makes daytime bright, and nighttime is when it’s not so bright.
8. 🌆 City Lights: In the city at night, there are many lights. They make the city look beautiful and bright.
9. 🌌 Space Lights: Even in space, there is light energy from stars and other things. Astronauts wear special helmets to see in space.

Light energy is like the brightness that helps us see the world. It comes from the Sun, stars, bulbs, and more! 🌞💡🌟🌌👁️🚀

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Evaluation

1. Light is a form of _______ energy. a) Sound b) Light c) Heat d) Water
2. The Sun gives us ________ during the day. a) Stars b) Light c) Moon d) Clouds
3. Bulbs and flashlights make ______ when we switch them on. a) Music b) Light c) Toys d) Air
4. Light energy can have different ______ like the colors of a rainbow. a) Animals b) Shapes c) Colors d) Foods
5. At night, stars and the ______ give us light energy. a) Cats b) Rainbows c) Moon d) Toys
6. Our ______ help us see light energy. a) Ears b) Hands c) Eyes d) Feet
7. Light energy makes the daytime ______ and bright. a) Dark b) Quiet c) Colorful d) Bright
8. In the city at night, there are many ______ that make it look bright. a) Cars b) Lights c) Bikes d) Houses
9. Light energy can even be found in ______, like stars in the sky. a) Space b) Water c) Forests d) Deserts
10. ______ are small packets of light energy. a) Colors b) Electrons c) Photons d) Shapes
11. Light energy helps us see ______ and shapes around us. a) Words b) Animals c) Colors d) Music
12. Light energy can come from the ______ and bulbs. a) Moon b) Stars c) Sun d) Clouds
13. Light energy is what makes things look ______. a) Dark b) Colorful c) Heavy d) Quiet
14. ______ are used to help us see in space where there is no natural light. a) Glasses b) Helmets c) Shoes d) Hats
15. Light energy is like the brightness that helps us see and is different from other forms of ______. a) Water b) Energy c) Air d) Food

Sources of Natural Light:

1. ☀️ The Sun: The big, bright ball in the sky during the day. It gives us natural light.
2. 🌙 The Moon: The Moon shines at night. It’s not as bright as the Sun, but it still gives us light.
3. 🌟 Stars: Stars twinkle in the night sky. They are tiny but give us some light.
4. 🚀 Fireflies: These little insects glow at night. They are like tiny lanterns in nature.

Sources of Artificial Light:

1. 💡 Bulbs: Light bulbs in our homes, schools, and streets. They brighten up our nights.
2. 🔦 Flashlights: Small, handy lights we can carry. They help us see in the dark.
3. 🏮 Lanterns: Lanterns can be used when we go camping. They shine in the dark woods.
4. 🕯️ Candles: Candles are like mini torches. We can light them during power outages.
5. 🪔 Lamps: Lamps on our tables or desks. They help us read and study.

Remember, the Sun and Moon are natural sources, and things like bulbs and flashlights are artificial sources of light! 🌞💡🌟🔦🪔🌙🕯️🚀🏮

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Evaluation 

Sources of Natural Light:

1. The big, bright ball in the sky during the day is the ______. a) Moon b) Stars c) Firefly d) Sun
2. The Moon shines at ______. a) Day b) Night c) Morning d) Noon
3. Stars twinkle in the ______ sky. a) Day b) Night c) Morning d) Afternoon
4. Fireflies are like tiny ______ in nature. a) Bulbs b) Stars c) Lanterns d) Insects

5. Light bulbs in our homes, schools, and streets are called ______. a) Candles b) Bulbs c) Stars d) Sun
6. Flashlights are small, handy lights we can ______. a) Eat b) Carry c) Wear d) Plant
7. Lanterns can be used when we go ______. a) Swimming b) Camping c) Shopping d) Sleeping
8. Candles are like mini ______. a) Torches b) Stars c) Trees d) Cars
9. Lamps on our tables or desks help us ______ and study. a) Dance b) Sing c) Read d) Jump
10. Streetlights in our neighborhood are a source of ______ light. a) Sun b) Candle c) Natural d) Artificial
11. When it gets dark, we use ______ to see in the dark. a) Blankets b) Lamps c) Toys d) Mirrors
12. At bedtime, we may use a ______ to read a story. a) Pillow b) Cup c) Lamp d) Hat
13. In a power outage, we can use ______ to have light. a) Toys b) Trees c) Candles d) Birds
14. You can hold a ______ to find your way in the dark. a) Sun b) Star c) Torch d) Moon
15. During camping, people carry ______ to light up the night. a) Shoes b) Lanterns c) Mirrors d) Trees

Presentation:

1. Introduction (5 minutes):
   • Start by explaining that today, we’re going to talk about light energy. It’s the bright stuff that helps us see.
2. Teacher’s Activities (10 minutes):
   • Show pictures of the Sun, Moon, and stars. Explain that these are natural sources of light.
   • Show pictures of light bulbs, flashlights, and candles. Explain that these are artificial sources of light.
3. Learners’ Activities (10 minutes):
   • Ask students to identify and name the natural sources of light.
   • Then, ask them to do the same for artificial sources.
   • Have students draw a picture of the Sun and a light bulb on their notebooks.
4. Discussion (5 minutes):
   • Engage the students in a discussion about why we need light.
   • Ask how we use natural and artificial sources of light in our daily lives.
5. Assessment (5 minutes):
   • Show pictures of the Sun, a flashlight, and a candle.
   • Ask students to label them as “natural” or “artificial.”

Ten Evaluation Questions:

1. What is light energy?
2. Can you name a natural source of light?
3. Give an example of an artificial source of light.
4. Why do we need light?
5. Is the Sun a natural or artificial source of light?
6. What do you use to see in the dark?
7. Name something that glows in the night sky.
8. What do you call things that make light in our homes?
9. Draw a picture of the Moon.
10. Why do we use flashlights at night?

Conclusion on the Topic:

• Summarize the lesson by highlighting the difference between natural and artificial sources of light.
• Emphasize the importance of light energy in our lives and how we use it every day.

By following this lesson plan, students will have a better understanding of what light energy is and the sources of both natural and artificial light.