The Nashua River Watershed Association will host Science Saturdays for young people from ages 7 to 11 from 1 to 2:30 p.m. on Nov. 10 and Dec. 1 at the NRWA River Resource Center, 592 Main St. (Route 119) in Groton.

Children will learn about natural science in outdoor and indoor settings and conduct experiments that connect to weather, rivers, forests, wildlife and more. Students will also have a chance to create their own investigations. At the conclusion of each day, students will receive a certificate from the NRWA.

Science Saturdays will be led by Mary Marro, NRWA's environmental education director and cost $25 per day. Students can sign up for one or both days.

Registration is required. To register, contact Marro at 978- 448-0299, or at