Students can make a gauge to measure rainfall and see how much rain falls over several days.
WHAT YOU NEED
WHAT TO DO
To Measure Rainfall
Have one student hold the ruler against the side of the container, with the ruler's bottom end even with the base line. Have another student read the height of the water column. To get an accurate reading, the student must be at eye level with the top of the water. Subtract the previous day's reading from the new reading to determine how much rain fell between readings. Always use the original mark as the base line.
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