An experiment to explore the properties of air, using a cup placed upsidedown in water.

Interesting site with links to activities about wind and air in many forms. Browse the different activities and investigations on the properties of air on the toolbar to the left of the page.

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.

Let this classic family of monsters guide you as you learn about energy. Interactive exercises, experiments, and demonstrations help to build knowledge and raise questions.

PBS site offers an experiment kids can do at home to see how carbon dioxide can put out burning candles.

An easy to do activity that investigates Bernoulli's principle. The activity is presented in lesson plan format that meets NSES standards.