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NCTE Activity - Rainfall
Task with Student Directions

GLOBE Assessment
Grade K-4

Literacy Activity for Protocol Test

Make a list that describes different kinds of water in the atmosphere and on the ground. Write a few words to describe each one.

Rainfall Protocol Test

The Rainfall protocol test assesses students' ability to collect accurate rainfall measurements, emptying and reassembling the rain tube, and what they do when rainfall exceeds the tube capacity

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Student activity & Level of Performance

+ appropriate student performance

- inappropriate student performance

n.a. not appropriate

Taking accurate rainfall measurements                                              
read scale at eye level                                              
read scale from bottom of meniscus                                              
record amount of daily rainfall (mm)                                              
record date and time of day (UT)                                              
record # of days rain has accumulated in tube                                              
Empty and reassemble the rainfall tube                                              
empty water into clean tube; save for pH                                              
invert tube; allow it to drain completely                                              
remove debris from empty tube                                              
rinse the tube with distilled water                                              
reassemble funnel, measuring-, overflow-tubes                                              
remount rain gauge; level top of gauge                                              
When rainfall exceeds tube capacity                                              
measure the level of rainfall in the tube                                              
empty the measuring tube                                              
measure rainfall from overflow tube                                              
add results to reach a final measurement                                              


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