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-These tests measure your ability to manipulate shapes in two dimensions or to visualize three-dimensional objects presented as two-dimensional pictures. Mechanical Reasoning-These tests are designed to assess your knowledge of physical and mechanical principles.hey are strictly timed and a typical test might allow 30 minutes for 30 or so questions. Verbal Ability-These include questions which test your ability to spell words correctly, use correct grammar, understand analogies and follow detailed written instructions.