This surah speaks about the salt and sweet water that do not mix in the ocean and says that no two bodies or water are alike.
Discussion question: when two things appear to be the same or similar does that mean they are? How can you really tell if two things are different? How can you tell if water is sweet or salty?
This phenomenon of salt and sweet water staying seperate occurs in nature. This is a You Tube video of this phenomenon:
Image: this is a drawing of the sweet and salt water.
Please share your ideas for teaching children about the Tafseer of Quran.