The Question:
What is the level of UV-B radiation for today?
Background Information.
Please see the UV Rays and Global Changes web site for lots of info on all kinds of aspects of UV radiation and the Ozone hole.
Procedure.
Click on Enter/Search UV-B Data for instructions on using the Sunsor meter.
Assessment.
Have students analyze the data on the UV Database in any number of ways. Use the search commands to obtain data. For instance, have students create graphs using Excel, comparing data from each season, or data from only clear, blue-white, days, or data from locations of various latitudes, or compare data over several years. Leave this open-ended so students can choose what data they want to analyze.