Whether it's inhaled, swallowed, or, more rarely, absorbed through the skin (just by touching a product that contains lead), lead can act as a poison. Exposure to high lead levels in a short period of time is called acute toxicity. Exposure to small amounts of lead over a long period of time is called chronic toxicity.
Â© 2016 Gwen Dewar, Ph.D., all rights reserved. Spatial skills predict a young personâs achievement in science, technology, engineering, and mathematics. They are crucial for the mechanic, visual artist, architect, and surgeon. Yet traditional schooling does relatively little to foster the development of these abilities, and that's troubling.
Spatial Reasoning. Finally, Piaget also suggested that kids develop spatial reasoning during middle childhood. Spatial reasoning is the ability to understand and to reason (to draw conclusions) using cues in the environment that convey information about distance or direction. During middle childhood, children become able to discriminate objects that are nearby and far away based on their apparent size.