Teacher Gretchen Rudolph-Fladd, above, reacts Wednesday as an albino snake makes a suddenmove along her arm. The snake presentation by Lynda and Mike McAdams for students in grades 3-5 was part of the Great American Teach-In at San Antonio Elementary School. The McAdamses talked about avoiding snakes in the wild and caring for them as pets.
Below, kindergarten students from Lisa Reed's class at Sunray Elementary School in Holiday watch as Chris Murphy of Lutz flies his XL 60 miniature helicopter in loops and rolls Wednesday as he visited the school during the Great American Teach-In. Murphy says the helicopter, which cost $2,500, can fly as fast as 76 mph.