University of Illinois
University of Illinois Urbana Champaign: Surface Features to Consider When Forecasting
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.
Science Struck
Science Struck: Working Principle, Types, Applications of a Manometer
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.
Texas Instruments
Texas Instruments: The Inverse Relationship Between Pressure and Volume
In this activity, students' will use a pressure sensor to investigate the relationship between pressure and volume for an enclosed air sample, and fit an inverse function model to the pressure versus volume data.
Libre Text
Libre Text: Geostrophic Balance
Geostrophic balance is arguably the most central concept in physical oceanography and dynamical meteorology. A key feature of geostrophic balance is that rather than flowing from high to low pressure, the fluid actually moves parallel to...
Concord Consortium
Concord Consortium: Molecular Workbench: Barometric Formula
Adjust the altitude and temperature in this simulation to observe how gas pressure is affected by these changes.
PBS
Pbs News Hour: Air Supply
Provides information on the Berlin blockade, the Berlin airlift, President Truman's role, the pressures on Josef Stalin, and Europe's reaction. The story comes out in the form of an interview between Jim Lehrer and several subject matter...
Alabama Learning Exchange
Alex: Air Is All Around You
In this science lesson students will be asked the question, "Does air take up space?" and "Does air have weight?" Students will conduct experiments that prove that air has mass, takes up space, and exerts pressure.
Dan Satterfield
Dan's Wild Weather Page: Winds
Find out about wind and jet streams and the tools that measure them.
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,...
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.
Other
60 Second Science: Air Putting It to Work
Investigate the properties of air. Observe the water vapor present in our exhaled breath.
Concord Consortium
Concord Consortium: Gas Pressure in a Syringe
Explore why it is difficult to pull back on a capped syringe and why the plunger moves back in when you let go.
Science is Fun
Science Is Fun: Egg in a Bottle
An air pressure experiment that shows how to get a hard-boiled egg into a glass bottle that has a mouth smaller than the width of the egg. A lit match is used in this activity.
TeachEngineering
Teach Engineering: Weather and Atmosphere
In this unit, students learn the basics about weather and the atmosphere. They investigate materials engineering as it applies to weather and the choices available to us for clothing to counteract the effects of weather. Students have...
TeachEngineering
Teach Engineering: Hovercraft Racers!
Students gain first-hand experience on how friction affects motion. They build a hovercraft using air from a balloon to levitate a craft made from a compact disk (CD), learning that a bed of air under an object significantly reduces the...
University Corporation for Atmospheric Research
Ucar: Virtual Ballooning to Explore the Atmosphere Activity
In this computer-based virtual lab, students will learn about the layers of Earth's atmosphere by launching virtual balloons to collect temperature and pressure data at various altitudes. Given a limited number of balloon flights,...
PBS
Pbs Kids: Design Squad Challenge: Balloon Drive
Hands-on challenge "to make a helium balloon hover in one spot, then move it through an obstacle course using air currents". Provides full list of materials with ideas on how to design, build, and test the balloon's movement. Activity...
South Carolina Educational Television
Know It All: Lift | Nasa Online
An upward force called lift acts on the airplane and opposes the downward forces of gravity. The lift force allows the airplane to get off the ground and stay in the air. Watch the simulation to see how this works.
American Geosciences Institute
American Geosciences Institute: Wind Classroom Activities
When air is warmed, it expands and becomes less dense. As the air becomes less dense, its air pressure decreases. This occurs because molecules in warm air have greater kinetic energy (energy of motion) than in cold air. As the molecules...
Other
Baranidesign: Air Density Calculator
A calculator that computes air density if altitude, temperature, humidity, and barometric pressure are known.
NASA
Nasa: Gas Properties Definitions
Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.
Other
American Meteorological Society: Data Streme Atmosphere
This site provides an extensive amount of weather information. Includes current information, forecasting, and historic weather related events. Weather map symbols and terminology explained.
National Snow and Ice Data Center
National Snow and Ice Data Center: Factors Affecting Arctic Weather and Climate
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.
PBS
Pbs Teachers: Egg in a Bottle
Examine how differences in air pressure affect objects with this classroom experiment.
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