Framingham State University’s Christa McAuliffe Center (100 State St., Framingham) will host a professional-development workshop (4:30-6PM on April 1) for elementary-school teachers to learn about “STOP for Science,” a program of materials and exhibits to increase students’ interest in science.  Themes include:  When stars go BOOM; Somewhere over the Rainbow; How Tall is Tall?; Choke Up on that Bat!; That’s Fast!  Cost is $10.  Registration is required.