Explore and connect to the GLOBE Water Quality protocol bundle. 

Explore and connect to hydrosphere protocols in GLOBE. Each protocol has related Earth System Data Explorer datasets identified as well.

Explore and connect to the GLOBE Oceans protocol bundle. 

Follow this link to access GLOBE protocols and hands-on learning activities that complement the Hurricane Dynamics phenomenon.

In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.