Previous research has shown that by varying instructional time, schools can better accommodate students' different rates of learning. One method that schools use to meet this challenge is block scheduling; different models which are described. The focus is on the benefits and disadvantages of various models. One of the benefits is block…

Spatial abilities are fundamental to human functioning in the physical world. Spatial reasoning allows people to use concepts of shape, features, and relationships in both concrete and abstract ways, to make and use things in the world, to navigate, and to communicate. Surgeons, pilots, architects, engineers, mechanics, builders, farmers, trades…