It is essential for introductory level chemistry students to understand atomic models and how atoms interact to form chemical bonds. The tactile model in this article utilizes marbles to represent subatomic particles, a cup to represent the nucleus and wooden rings to simulate the electron orbitals. These inexpensive items can be combined to…

This practicum was designed to address a problem in a teacher education program where case study experience for education students to learn to diagnose learning disabilities was limited and difficult to provide due to such problems as course scheduling, transportation in a rural area, and identifying appropriate children for study. Participants…