Search Results
Showing results 1 to 1 of 1
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-884.jpg?itok=ZN4YC59g)
Cool It!
Source Institutions
Learners make a refrigerator that works without electricity. The pot-in-pot refrigerator works by evaporation: a layer of sand is placed between two terra cotta pots and thoroughly soaked with water.