Local museums are recognizing National Chemistry Week with “Fabulous Fibers: The Chemistry of Fabrics” hands-on activities at these times and locations. Museum admission is required:

• Saturday, October 15: Boston Children’s Museum offers two sessions: 9AM-Noon and 1:30PM-4:30PM.
• Sunday, October 16: Discovery Museum in Acton offers one session: Noon-3PM
• Thursday, October 20: Museum of Science, Boston offers one session: 1PM-4PM.