|
GLOBE
Assessment
Grades K-4
Math
Activity for Protocol Test
The rain
gauge has 1 cm of precipitation. The overflow tube has 12
cm of precipitation. What is the total amount of precipitation
since the last measurement? (NCTM Standards: Numbers &
Operations 3.1, 3.2, 3.3, 3.4, 3.5, 3.6)
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
Download
a Word 
or pdf 
copy.
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
