Measuring Rainfall

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Science, Earth and Space Science

Grade 1- 3


Students measure the amount of precipitation within a given time frame.


  1. Measure and mark inch (or centimeter) levels on the outside of the jar with permanent marker so the numbers read from the bottom up.
  2. Place the jar outside, away from obstructions, to collect rainwater.
  3. At the end of the day, collect the jar, read, and record the day's rainfall measurement on the calendar page.
  4. Pour the water outside and wipe out the jar to use again each day for a month.
  5. At the end of the month, total the amount of rain that fell each week. Draw a graph showing how much rain fell each week during the month. How much rainfall did you experience for the entire month?
  6. Follow up with the measuring rainfall activity page.


  • a clear, straight-sided jar
  • permanent marker
  • ruler
  • calendar page
  • pencil
  • a rainy day (or two)

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