American Chemical Society
American Chemical Society: Best of Wonder Science: Air: It's Really There [Pdf]
An experiment to explore the properties of air, using a cup placed upsidedown in water.
TOPS Learning Systems
Tops Learning Systems: Top Science: Air Force [Pdf]
Experiment investigating atmospheric pressure using simple materials.
Scholastic
Scholastic: Dirtmeister's Science Lab: The Air Is There
An experiment to see how the temperature of an object affects how high it bounces. This site contains web links and notes for the teacher.
American Chemical Society
American Chemical Society: Best of Wonder Science: There's Air in There! [Pdf]
An experiment to obsevre the effects of air pressure on the water level inside a bottle.
Museum of Science
Museum of Science and Industry: Online Science: Activities: Pop Rockets
An experiment where students launch a simple rocket using a film canister, water, and an antacid tablet.
PBS
Pbs Kids: Dragonfly Tv: Do It: Amazing Air!
PBS site sets up an investigation that you can do at home to see the effects of invisible air.
Teachers TryScience
Teachers Try Science: Gravity in Action
Here is a hands-on experiment that lets you discover how and why gravity works by making your own little parachutes.
Maryland Science Center
Maryland Science Center: Field Goal! [Pdf]
Create a catapult using the provided link, then experiment with it to see how your accuracy at making a field goal is affected by distance from the goal posts. Learn about the physics of the football's trajectory path.
Museum of Science
Museum of Science and Industry: Activities: Fly a Hot Air Balloon
Step-by-step instructions, with photos, of how to construct a hot-air balloon from tissue paper, to demonstrate that heated air expands, creating a convection current. This activity requires the use of a hot air gun and is labor-intensive.
PBS
Pbs Kids: Dragonfly Tv Do It: Balloon Hovercraft
PBS site allows you to discover how air pressure works as you learn how to build your own hovercraft.
Science Fun for Everyone
Science Fun: Ping Pong
Learn about air pressure with this easy science experiment that is not only fun but appears quite magical. A video tutorial is included.
American Chemical Society
American Chemical Society: Best of Wonder Science: Balloon Bath [Pdf]
An experiment to determine what happens to the air inside a balloon when it is heated or cooled.
Science is Fun
Science Is Fun: Bernoulli's Principle
An experiment with a balloon and a wind tube that investigate how Bernoulli's Principle applies to a stream of moving air.
The Franklin Institute
Franklin Institute and Science Museum: First Flight
Experience the first flight, through words, pictures, and actual quotes from the Wright Brothers about their real life experiences prior to, during, and after the successful flight.
Scholastic
Scholastic: Dirtmeister's Science Lab: Weather or Not
Simple experiments for exploring clouds and cloud formation. You'll find out whether dust in the air helps cloud formation and discuss how dust helps meteorologists make weather predictions.
Teachers TryScience
Teachers Try Science: Lung Capacity
This hands-on experiment shows you how to make your spirometer, a device you can use to measure how much air your lungs can hold.
Education.com
Education.com: An Air Science Experiment
[Free Registration/Login Required] With three simple items (ball of paper, 2 liter pop bottle & hair dryer) you can demonstrate the reality of air pressure. This experiment is user friendly.
Science is Fun
Science Is Fun: The Collapsing Can
An experiment using an aluminum can and boiling water that demonstrates that the air around us has pressure, although we may not be aware of it.
Other
National Science Digital Library: Smile: Make and Fly a Helicopter
Sourced by Chicago's Museum of Science and Industry, students and educators will engage in building a helicopter and making it fly. Adaptations of extra weight or shortening blades will alter flight abilities making for an exciting...
The National Gallery (UK)
The National Gallery: Experiment on a Bird in the Air Pump
As part of a larger exhibit on science and the history of scientific instruments, this site examines a painting by Joseph Wright and its connection to the scientific studies of the vacuum. The painting, which is accompanied by a...
Bio Topics
Bio Topics: Experiments to Compare Carbon Dioxide Content of Inhaled and Exhaled Air
A science experiment comparing carbon dioxide content of inhaled and exhaled air.
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.
Science Bob Pflugfelder
Science Bob: Make Your Own Balloon Rocket!
This site contains a brief procedure for building (and launching) a balloon powered rocket. Introduces concepts of air pressure and propulsion.
PBS
Pbs Kids: Dragonfly Tv Do It: Carbon Dioxide
PBS site offers an experiment kids can do at home to see how carbon dioxide can put out burning candles.