"Rock & Mineral Identification" Geologist Sara Johnson presents an introduction to rocks and minerals. Learn how to make a basic mineral test kit. Hands on identification procedures include observation skills and hardness tests. Great for teachers and rockhounds, this program qualifies for Boy & Girl Scout merit badges. All materials are provided. Activity is for ages 8 years to adult and starts at 10:30 a.m.  The presentation is 75 minutes.  Saturday, October 12 Admission: $5.00 per person, Reservations Required: (630)833-1616