This document provides information about various cereals including their definitions, scientific names, common names, images, and key facts. It discusses 7 major cereals - wheat, rice, barley, sorghum, pearl millet, maize, and oats. For each cereal, it lists their scientific name, common name, images of the grains and plant, where they are grown, how they are used as food, and some of their nutritional properties. The document aims to inform the reader about the characteristics of the main cereals cultivated around the world.