Khan Academy
Khan Academy: Diffusion and Passive Transport
Learn about membrane permeability and facilitated diffusion (including channels and carrier proteins).
![Ohio Stream Management Guide: Natural Stream Processes [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Ohio Stream Management Guide: Natural Stream Processes [Pdf] Handout")
Ohio Department of Natural Resources
Ohio Stream Management Guide: Natural Stream Processes [Pdf]
Provides detailed and technical information and diagrams concerning stream formation, channel shapes, erosional process, and stream management.
Read Works
Read Works: A History of Tv
[Free Registration/Login Required] An informational text about how televisions have changed throughout the years. A question sheet is available to help students build skills in reading comprehension.