Describes Wavemaker, a simulation environment developed to graphically reveal the behavior of periodic systems using a series of increasingly sophisticated visual tools. Results indicate that the software is helpful in connecting real to simulated systems. (Author/CCM)

Points out the inadequacy of visual information such as writing on a blackboard or using an overhead projector as the ability to develop an understanding of dynamic processes among students. Recommends using short animations that can be viewed on the World Wide Web. Describes how to make a GIF animation. (YDS)

Students who are deaf and hard of hearing have special needs that must be accommodated before they can fully benefit from various types of classroom presentation technology. An optimal classroom situation for learners who must depend primarily on visual input includes careful consideration of factors such as room set up, legibility of the media,…