Dr. Mary Kay Bacallao and Myron Randall will walk you through a virtual science lesson on simple machines that you can do at home with your children. Open up the Balancing Act interactive lab simulation, and follow along as Dr. Bacallao and Randall discover the mysteries of the ages. Dr. Bacallao is a professor at Mercer University’s Tift College of Education. Since 2003, she has taught math, science and technology courses at Mercer’s Henry County and Douglas County regional academic centers and on the Atlanta campus.