Index.of Real Fake Book What's The Significance Of Refraction And Refractive Index In Everyday Life?

What's the significance of refraction and refractive index in everyday life? - index.of real fake book

We are at our school the teaching of a statement of the science in everyday terms Thingz ... I experience the daily life, the refractive index of materials considered ... How can I relate to real life that you can not understand. I am in ninth grade, so nothing too "high" ... someone please help!