To celebrate the 10th anniversary of National Chemistry Week, the local section of the American Chemical Society (ACS) will hold its annual series of demonstrations and hands-on activities at Pyramid Mall on Saturday, Nov. 1, from 10 a.m. to 5 p.m.

The activities will include information on such topics as how plastic bottles are recycled into carpet, how acids and bases are used in everyday life, the "supercool" world of liquid nitrogen, a secret of the Alaskan pipeline, and much more. There will also be free giveaways for people of all ages.

ACS is composed of faculty and graduate student members; undergraduates are affiliate members. The local section includes members from Cornell and Ithaca College.

Also marking the 10th anniversary will be a public lecture by Frank DiSalvo, Cornell University professor of chemistry, on Sunday, Nov. 9, at 3 p.m. at the Sciencenter, in Ithaca. All ages are invited to attend the lecture and demonstration of how chemical reactions can be used to produce colors, sound and light.

For further information on either event, contact Saundra McGuire at 255-6121, or Joy Swanson at 255-8799.