This Rio Grande River lesson covers the geography of the river, its history, and why it's so important to Colorado, New Mexico, Texas, and Mexico. There is a presentation, reading passage, quiz, four activity sheets, and a link to a short video. The downloadable .ZIP file includes: 20-slide Rio Grande River Powerpoint presentation with the lesson’s reading content, facts, history, how it looks, and challenges it faces. An 11-page PDF file with the following: The Rio Grande River (reading page)R