"Words that come to mind when I think about..." This page features a thought bubble waiting to be filled with on-topic words. Great for kicking off a new unit.
This unit is a full series of reading comprehensions presenting a thorough view of cell phones in terms of history (when was it invented) techonology (how does it work), society (what are appropriate cell phone manners), and more.
This double reading comprehension is a great introduction to the often miscategorized legume, and to the scientist who discovered over 300 uses for it.