Can you tell if the air around you is humid or dry? Although humidity cannot be seen, it has important effects on the weather. This moisture-detecting flower will display the color pink, purple, or blue based on the humidity in the air, giving you insight into the weather before you step outside!

Click here for a DeSTEMber activity!

Get cobalt chloride at: http://www.hometrainingtools.com/cobalt-ii-chloride-15-g/p/CH-COCL2/