Water Purification Working Model for School Students
Build a layered water-filtration model and learn the difference between visible filtration, treatment and safe drinking-water purification.
Madras Academy
Solar Water Heater Working Model for Students
Build a simple solar water-heating model that demonstrates absorption, heat transfer, insulation and circulation using safe low-temperature materials.
Rainwater Harvesting Model for Students: Build, Learn and Conserve
Create a working rainwater harvesting model with a roof, gutter, filter and storage tank, and understand how water conservation systems are designed.