This biography of the first person to photograph single snow crystals works well in conjunction with science lessons or as a "stand alone" reading comprehension.
*Bentley's photographs are in the public domain and can be found in many places for free.
What is the difference between a baleen and a toothed whale? Why do whales breach? What is special about whale songs? Find out with this super-sized reading comprehension, which includes a form for students to do their own whale research.