Activity 01
Outdoor Walk: Sun Observation
Lead a class walk to a sunny playground area. Students note the sun's position, brightness, and shadow lengths every 10 minutes. Back in class, chart observations and discuss daily patterns.
Differentiate between the sun and stars as natural light sources.
Facilitation TipDuring Outdoor Walk: Sun Observation, remind students to shield their eyes with hats or hands and record the sun’s position and brightness every 15 minutes in a shared table.
What to look forShow students pictures of the sun, a star chart, and a campfire. Ask them to point to each picture and state whether it is a natural light source and why. Ask: 'Which of these gives us light during the day?'
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Activity 02
Small Groups: Source Sort
Provide cards with images of the sun, stars, fire, lightning, and man-made lights. Groups sort into natural and artificial piles, then justify choices. Share findings in a class gallery walk.
Explain why the sun is essential for life on Earth.
Facilitation TipDuring Source Sort, provide real objects like a flashlight, a lamp, a candle, a lamp with a star cutout, and a picture of the sun to focus only on natural sources.
What to look forPose the question: 'Why is the sun so important for us and other living things on Earth?' Guide students to discuss its role in providing light for seeing and heat for warmth, and its necessity for plants.
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Activity 03
Pairs: Sun vs Fire Compare
Pairs examine safe fire images or a teacher candle demo next to sunlight through a window. They draw similarities and differences in color, heat, and use. Discuss as a class.
Compare the light from a campfire to the light from the sun.
Facilitation TipDuring Sun vs Fire Compare, give each pair a small metal tray with a tea light and a flashlight to feel and observe the warmth and flicker differences side by side.
What to look forGive students a worksheet with two columns: 'Sun' and 'Campfire'. Ask them to draw one thing they observe about the light from each source and write one word to describe it (e.g., 'bright', 'warm', 'flickering').
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Activity 04
Individual: Star Journal
Students view night sky photos or videos of stars. They draw favorites, label as distant suns, and note why unseen by day. Compile into a class star book.
Differentiate between the sun and stars as natural light sources.
What to look forShow students pictures of the sun, a star chart, and a campfire. Ask them to point to each picture and state whether it is a natural light source and why. Ask: 'Which of these gives us light during the day?'
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Generate Complete Lesson→A few notes on teaching this unit
Teach this topic by moving from the familiar to the unfamiliar. Start with the sun because it is most concrete, then introduce stars as distant suns, and finally fire as a chemical reaction. Avoid explaining nuclear fusion to Year 2 students; instead, describe the sun as a giant ball of hot gas and fire as a small, fast chemical reaction. Use repeated exposure—daily sun observations over a week—so students internalize the sun’s consistent presence and importance.
By the end of these activities, students will name three natural light sources, describe how each produces light, and distinguish the sun from stars and fire. They will also explain why the sun’s light matters for Earth and use simple vocabulary to compare light qualities.
Watch Out for These Misconceptions
During Outdoor Walk: Sun Observation, watch for students who describe stars as tiny or close to Earth.
Use the recorded distances on a simple chart and a distant lamp at the end of the playground to show how small apparent size does not mean small actual size. Ask students to compare the lamp’s brightness when close versus far away.
During Small Groups: Source Sort, listen for students who separate the sun from the ‘star’ category.
Display a photo of the sun alongside a labeled star chart. Ask each group to place the sun image in the correct category and justify their choice using the visual evidence.
During Pairs: Sun vs Fire Compare, notice students who claim fire and the sun produce light in the same way or at the same temperature.
Provide a red and a yellow thermometer strip on the metal trays. Have pairs observe the color of the flame and the flashlight beam, then match the color to the temperature strip to see the difference in heat output.
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