American Chemical Society: Best of Wonder Science: Air: It's Really There [Pdf]

An experiment to obsevre the effects of air pressure on the water level inside a bottle.

An experiment to determine what happens to the air inside a balloon when it is heated or cooled.

An experiment to test what happens to water when salt or sugar is added and it is then frozen into ice cubes. Students also explore the ice's physical properties by rubbing cubes on sandpaper and dropping a heavy object on each type.

A simple experiment to observe whether adding lemon juice to pieces of potato, apple, and banana helps to preserve them.

If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...

After challenging themselves to correctly choose the form of erosion and length of time required for a given landform to develop, earth science class members model mechanical and chemical weathering with various lab demonstrations over...

A collection of nine sample science activities for elementary students, from a two-volume book by the American Chemical Society.

Engaging hands-on science lessons for grades 2-6 on chemical and physical changes.

Engaging hands-on science lessons for grades 2-6 on the properties of different materials.

By watching and performing several simple experiments, students develop an understanding of the properties of air: it has mass, it takes up space, it can move, it exerts pressure, it can do work.