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.
Vision Learning
Visionlearning: Atmosphere and Oceans: Composition of Earth's Atmosphere
An explanation of the different parts of the atmosphere and how pressure and temperature changes at different altitudes.
OpenStax
Open Stax: Gauge Pressure, Absolute Pressure, and Pressure Measurement
From a chapter on Fluid Statics in a Physics textbook. This section of the chapter looks at the definitions of gauge pressure and absolute pressure, and how barometers work. It also discusses how blood pressure is measured. Includes...
Other
The Amazing World of Science With Mr. Green: Introduction to the Atmosphere
This teacher website provides a comprehensive lesson unit on the structure of Earth's atmosphere and how it sustains and impacts life on Earth and its ecosystems. Includes labeled diagrams, student worksheets, a slideshow, flashcards,...
Science Buddies
Science Buddies: Measure the Pressure
Scientists have developed an instrument called a barometer that can measure atmospheric pressure. In this activity, you will find out how a barometer works by building one yourself.
Vision Learning
Visionlearning: Earth Science: Earth's Atmosphere: Composition and Structure
Instructional module focusing on Earth's atmosphere. Discussion includes major components, layers, air pressure, and scientific monitoring of the atmosphere. Site also includes an interactive practice quiz and links relating to the topic.
Florida State University
Florida State University: Magnet Lab: Atmospheric Pressure Photoionization (Appi)
In the APPI technique, UV light photons are used to ionize sample molecules.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Fluid Pressure and Flow
Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes fluid flow speed. Experiment with a leaky water tower to see how the height and water level determine the water trajectory. Java required.
Simon Fraser University
Chem1 Virtual Textbook: Observable Properties of Gases
The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals specifically with the properties of gases including subtopics such as the...
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...
Science Buddies
Science Buddies: Using Weather Balloon Data to Map Atmospheric Temperature
Snow-capped mountains make a picturesque scene, especially in summertime when the peaks are in such contrast to the warmth below. This project shows you a way to see how temperature changes with altitude using data collected twice daily...
Encyclopedia of Earth
Encyclopedia of Earth: Local and Regional Wind Systems
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.
Alabama Learning Exchange
Alex: I'm So Crushed
In this activity, students will have an opportunity to solve a mystery. They will discover why a soda can collapses during a demonstration due to the effects of changes in temperature and atmospheric pressure. Students will gain further...
Florida State University
Florida State University: Atmospheric Composition
This page deals with the composition of the earth's first atmosphere and how it has changed. Also the elements and percentages that make up our current atmosphere are listed.
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 St. Andrews (UK)
University of St. Andrews: Climate and Weather Systems
This online lecture covers topics of air pressure, density and temperature.
Sophia Learning
Sophia: Bill Nye Demonstration: Crushing a Can With Air
Discover the effects of water vapor, the form water takes on as a gas, when it undergoes changes in atmospheric pressure as Bill Nye the Science Guy provides a demonstration of the compound water.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Boiling Point
A scientific explanation of what a boiling point is, the factors that can alter a liquid's boiling point, changes of state that occur at the boiling point, and how the normal boiling point relates to a liquid's vapor pressure. (Updated:...
Oswego City School District
Regents Exam Prep Center: Exponential and Logarithmic Functions
Students learn about exponential functions, logarithmic functions, and applications of exponential functions. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource...
University Corporation for Atmospheric Research
Ucar: What Is Weather?
Weather is the mix of events that happen each day in our atmosphere. Learn how weather events are controlled by air pressure, how Meteorologists predict the weather and the difference between weather and climate.
University of Oregon
University of Oregon: Coriolis Effect
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.
University Corporation for Atmospheric Research
Ucar: Introduction to Climate
A detailed overview of the Earth's climate, with explanations about the difference between weather and climate, dendrochronology, palynology, and how Earth's climate has changed over time. All information is reinforced through pictures,...
TeachEngineering
Teach Engineering: Weather Basics
Students are introduced to the basics of the Earth's weather. Concepts include fundamental causes of common weather phenomena such as temperature changes, wind, clouds, rain and snow. The different factors that affect the weather and the...
TeachEngineering
Teach Engineering: Spaced Out
This lesson introduces young scholars to the space environment. It covers the major differences between the environment on Earth and that of outer space and the engineering challenges that arise because of these discrepancies. In order...
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