Through watching several classic air pressure demonstrations, middle schoolers determine that high pressure areas move toward lower pressure areas, heated air causes a drop in pressure, and forces exist when pressures are unequal....

How can you launch an object that isn't propelled by air? The resource provides directions to build a launcher to launch rockets made of two-liter bottles. The launcher, built mainly from materials found at the local hardware...

Informational weather site highlights air pressure. Discover the science behind it as you learn about high and low pressure.

Explains what a pressure gradient is and how it produces air movement.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about atmospheric processes involving air pressure, air density, and temperature. Includes a few questions to check for understanding.

Discusses air pressure, fronts, and storm formation. Links on page to well-illustrated and animated additional information.

Discusses the fronts and weather patterns associated with low pressure areas.

Explains how to read a barometer and interpret its meaning, as well as how the barometer was invented.

What causes wind? How does wind affect our weather? This website is neatly organized into topics about pressure, gradient force, Coriolis force, geostrophic wind, gradient wind, friction, boundary layer wind, and sea and land breezes....

Interactive media is used to explain the differences between high pressure and low pressure weather systems.

This site looks at the important surface features to consider when making a forecast. High pressure and atmospheric pressure is explained. Be sure to use the arrows at the bottom to navigate through this site.

A manometer is used to measure the pressure of a gas or fluid. This article explains the principle behind the working of manometers, the different types, and how they are used. Formulas used to calculate pressure are also given.

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.

A calculator that computes air density if altitude, temperature, humidity, and barometric pressure are known.

Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.

This site provides an extensive amount of weather information. Includes current information, forecasting, and historic weather related events. Weather map symbols and terminology explained.

An introduction to the factors that affect the Arctic's weather and climate: latitude, land/sea distribution, solar radiation, air temperature, air pressure, winds, humidity, clouds, and precipitation.

Read about regional and local wind systems, including information on changes in atmospheric pressure, thermal energy in the atmosphere, sea and land breezes, mountain and valley breezes, and monsoon winds.

Describes the invention of the hot air airship by Don Cameron in the 1970s, and the evolution of its design and production over the years.

From the Mad Scientist Network. Using a question and answer format, this page explains the answer to the question "How come when you open a window the door is pulled in?" This intriguing everyday phenomenon is explained in terms of air...

Describes the ways in which wind direction and barometric pressure can be used by the amateur weather forecaster to make predictions about the weather.

This site from the University of Oregon provides a great explanation of the Coriolis Effect and then gives several chart type examples to help the understanding of it.

This two-part resource explores the vertical structure of Earth's atmosphere. Content details the atmospheric layers, and the relationship between pressure and height in the atmosphere.

This Wikipedia site tells all about weather fronts, or boundaries between two air masses with differing characteristics. Includes many hyperlinked terms to additional information on related subjects.