When exhaled, air mixes with cold air, the temperature of the exhaled air drops, but there is more water vapor. When the air becomes saturated, (relative humidity is 100%), the extra water vapor will condense, allowing you to see your breathe on cold days. 12 people found this useful.
A personality test is a questionnaire or other standardized instrument designed to reveal aspects of an individual's character or psychological makeup. The first personality tests were developed in the 1920s and were intended to ease the process of personnel selection, particularly in the armed forces.
Aptitude test. Aptitude test, examination that attempts to determine and measure a personâs ability to acquire, through future training, some specific set of skills (intellectual, motor, and so on). The tests assume that people differ in their special abilities and that these differences can be useful in predicting future achievements.