Groundwater in the box
We follow the rainwater in its underground path, until it feeds the springs or surface bodies. A box of sand becomes the aquifer in which we model the movement of aquifers, highlighting the threats (excessive waterproofing of the surface, climate change, pollution and over-exploitation) to which this important resource is subjected An easy workshop to get your hands dirty ... and then wash them under running water !!
Have a look to the video: https://youtu.be/Alj02KgoU00