P5 Condensation Lesson with Interactive Simulation and CLC Explanation Scaffolds is a Primary 5 Science lesson package that helps students observe, explain, and apply condensation using a physical experiment, a digital simulation, multimodal images, CLC sentence frames, and quick checks for understanding.
The lesson is based on a Community Gallery module and has been strengthened with misconception checks, visible heat-transfer cues, student photo evidence, and a cold-water versus hot-water comparison prompt.
Resource type: Primary 5 Science lesson, HTML5 interactive simulation, PDF activity, CLC explanation scaffold, multimodal condensation visuals
Topic: Condensation, change of state, gas to liquid, water vapour, cooler surface, heat loss, temperature difference, daily-life science examples

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Why this lesson is useful
Condensation is often easy for students to notice but harder for them to explain accurately. Students may see droplets on a cold cup and assume that the water came from inside the cup. This lesson makes the source of the droplets explicit: water vapour in the surrounding air touches the cooler outer glass surface, loses heat, and condenses into liquid water droplets.
The lesson also compares cold-water and hot-water cases. In both cases, water vapour loses heat and becomes liquid droplets. The difference is the source of the water vapour and the surface where droplets form: cold water causes droplets on the outside of the glass, while hot water can produce droplets inside the glass and under the cover.
Learning design
- Physical experiment: students predict and observe cold water, room-temperature water, and hot water setups.
- Interactive simulation: students test 5 °C, 30 °C, and 70 °C water and compare the results table.
- Visible heat transfer: a mini-model shows water vapour touching a cooler surface, losing heat, and forming droplets.
- CLC explanation frame: students explain with Comes into contact, Loses heat, Condenses.
- Daily-life extension: students can add or paste their own condensation photo and write a CLC explanation.
Suggested classroom flow
- Start with the cold glass image and ask where the water droplets came from.
- Run the physical experiment or use the interactive simulation to compare the three temperatures.
- Discuss the heat-transfer model before students read the explanation text.
- Use the CLC frame to model a foggy spectacles example.
- Let students explain the warm lunchbox cover and one example from home or school.
- Use the short quiz and exit pass to check understanding and collect remaining questions.
Common misconceptions addressed
- Misconception: droplets on the outside of a cold cup leaked from the water inside.
Better idea: they came from water vapour in the surrounding air. - Misconception: condensation happens only when something is cold.
Better idea: condensation happens when water vapour loses heat to a cooler surface. - Misconception: hot water and cold water condensation are unrelated.
Better idea: both involve water vapour losing heat and changing from gas to liquid, but the source and droplet location differ.
Credits and license
This lesson package was prepared from a Primary 5 condensation Community Gallery module and enhanced with web-based scaffolds, multimodal images, and a local HTML5 simulation for Open Educational Resources / Open Source Physics @ Singapore.
Contents are shared for educational use under the Creative Commons Attribution-Share Alike 4.0 Singapore License unless otherwise stated.