Texas Education Agency
Texas Gateway: Humidity, Evaporation, and Boiling
Learn about the relationship between vapor pressure of water and capacity of air to hold water vapor, the relationship between relative humidity and partial pressure of water vapor in the air, and how to calculate vapor density,...
Texas Education Agency
Texas Gateway: Humidity, Evaporation, and Boiling
By the end of this section, you will be able to explain the relationship between vapor pressure of water and the capacity of air to hold water vapor, explain the relationship between relative humidity and partial pressure of water vapor...
University Corporation for Atmospheric Research
Ucar: Clouds in the Air: Why Are They There?
An experiment that demonstrates why there are clouds in the sky. Start with air, invisible water vapor, particles we call condensation nuclei, and air pressure...the cloud comes later!
USA Today
Usa Today: Understanding Air Density and Its Effects
In simple terms, density is the mass of anything - including air - divided by the volume it occupies. In the metric system, which scientists use, we usually measure density in terms of kilograms per cubic meter. The air's density depends...
Other
Chemical Reax/exothermic Reactions
A wonderfully complete primer on exothermic reactions in the context of chemical spills. Covers Reactions with Air or Water, Combustible Organics, Polymerization Reax, Decomposition, Corrosion, and much much more.
University of Illinois
University of Illinois Urbana Champaign: Observed Dew Point Temperature
Describes what dew point is and how it relates to moisture content of the air. Also explains condensation and relative humidity.