1. Lesson Title “Catch the Rain Before It Runs Away!” 2. Story Hook (2–3 min) - “Imagine it rains heavily tonight… but tomorrow morning, your taps are dry. 😲 Where did all that water go?” Ask: - “What if we could catch and store rainwater just like saving money in a piggy bank?” 3. Learning Objective - Today, we will learn how to collect rainwater and understand why saving water is important for our daily life.” 4. Concept Simplified Rainwater harvesting means collecting rainwater and storing it for later use. Explain simply: - “When rain falls on roofs or ground, most of it gets wasted. But we can guide that water into containers and use it later for plants, cleaning, or even after proper filtering, for drinking.” 5. Teaching Flow Step 1: Start with Discussion (5 min) Ask students where rainwater goes after it rains. Let them share ideas. Step 2: Introduce the Idea (5 min) Explain how houses can collect rainwater from roofs using pipes into tanks. Step 3: Show Simple Example (5 min) Use your hand as a “roof” and tilt it. Pour a little water to show how it flows. Say: “If we place a container here, we can collect it!” Step 4: Transition to Activity (2 min) Tell students: “Now YOU will build your own rainwater harvesting system!” 6. Hands-On Activity Goal: Build a simple rainwater harvesting model Materials (low-cost): - Plastic bottle (cut in half) - Straw or paper roll (pipe) - Paper/cardboard (roof shape) - Tape or glue - Small bowl or cup (tank) - Water (for testing) Steps: 1. Use cardboard to make a slanted “roof.” 2. Attach the straw at the edge like a pipe. 3. Place the bottle or cup at the end of the straw. 4. Pour water on the roof. 5. Watch how water flows through the pipe into the container. Alternative materials: Leaves instead of cardboard, rolled paper instead of straw, any container as tank. 7. Guided Questions - Where did the water go when you poured it? - What helped the water move in one direction? - What happens if the pipe is blocked? - can we store more water? - Why should we not waste rainwater? - Where can we use stored rainwater? - What would happen if there was no rain for many days? 8. Engagement Boosters Prediction Challenge: “Before pouring water, guess—will all the water reach the container?” What If Scenario: “What if your roof is flat instead of slanted—will water still flow?” 9. Real-Life Connection “In many homes and schools, rainwater is collected from rooftops and stored in tanks. Farmers also use it to water crops. This helps save water, especially during summer.” 10. Assessment (Quick Check) Ask students to explain in one sentence: “How does rainwater harvesting work?” Exit task: Draw or describe their model and label roof, pipe, and storage. 11. Differentiation Support: - Give pre-made model parts - Use simple words and repeat steps - Pair with a buddy Extension: - Ask students to improve their model to collect more water - Add a filter idea using cloth or sand 12. Misconceptions Misconception 1: “Rainwater is always clean.” Fix: Explain it can carry dust and needs filtering. Misconception 2: “Rainwater harvesting is only for villages.” Fix: Show it can be used in cities, schools, and homes. 13. Reflection Prompt “What is one way YOU can save water at home starting today?” 14. Optional Extension Task Challenge students to design a bigger or better system using only waste materials at home and explain how it works in the next class.