Aneesa Howay, left, and Kimberly Achey react to touching a cow’s eye Thursday morning at the Fall Science Day Event at St. Jerome’s Regional School in Hometown.

St. Jerome’s third grader Connor Montgomery walks through a giant blow-up brain at a Fall Science Day Event at the school Thursday morning.

Third grader Ryan Duncan, center, operates a mechanical clamp with sensors place on his arms while classmates Logan Miller, left, and Hunter Gerhard watch. The clamp mimicked the movements of Duncan’s hand using the sensors on his arm. See tnonline.com for a video from the day. BOB FORD/TIMES NEWS