Oklahoma Mesonet
Oklahoma Climatological Survey: Air Masses
This Oklahoma Climatological Survey explores how air masses form, as well as the weather formations, which tend to appear on the edges of these masses in what is known as a front.
Oklahoma Mesonet
University of Oklahoma: High and Low Pressure
This University of Oklahoma meteorology tutorial explores both high and low pressure systems--how they form and the different forms they take.
TeachEngineering
Teach Engineering: Building a Barometer
Students investigate the weather from a systems approach, learning how individual parts of a system work together to create a final product. Students learn how a barometer works to measure the Earth's air pressure by building a model out...
University of Illinois
University of Illinois Extension: Ww2010: Atmospheric Pressure
This site from the University of Illinois describes what air pressure is and how it is measured. Explains high and low pressure areas, isobars, and how pressure changes with height.
Better Lesson
Better Lesson: Factors of Weather Under Pressure
How does air affect our weather? Students will conduct an experiment to demonstrate how air pressure and humidity work. Included are pictures and videos of the lesson in action, whole group and individualized instruction plans, and a...
University of Illinois
University of Illinois Urbana Champaign: Ww2010: Forces and Winds: Pressure Gradient Force
Explains what a pressure gradient is and how it produces air movement.
Other
Internet Geography: Geo Topics: Weather and Climate
This site explores air pressure and talks about high pressure. low pressure, and winter anticyclones.
Scholastic
Scholastic: Study Jams! Science: Weather & Climate: Air Pressure and Wind
A video and a short multiple-choice quiz on the topic of air pressure and wind. It explains what makes air pressure change, how we measure it, how wind is created, and types of winds.
TeachEngineering
Teach Engineering: Air Under Pressure
Students are introduced to air masses, with an emphasis on the differences between and characteristics of high - versus low-pressure air systems. Students also hear about weather forecasting instrumentation and how engineers work to...
American Geosciences Institute
American Geosciences Institute: What Is Atmospheric Pressure?
See how atmospheric pressure affects air masses, which in turn affects the weather on Earth.
American Geosciences Institute
American Geosciences Institute: Weather in High and Low Pressure Areas
Find out why weather in high pressure areas is fair, and weather in low pressure areas is cloudy and stormy.
ClassFlow
Class Flow: High and Low Pressure Systems
[Free Registration/Login Required] This flipchart provides an opportunity to sort high and low pressure system characteristics using a graphic organizer. Activote activity provides assessment of student learning.
USA Today
Usa Today: How a Low Pressure System Affects Weather
Discusses the fronts and weather patterns associated with low pressure areas.
NASA
Nasa: How Air Pressure Affects You
This site from NASA offers a general overview of air pressure. Explores the concept through experiments and interactive games, as well as discussion questions.