Building a Psychrometer

This Building a Psychrometer activity & project also includes:

There is nothing cool about humidity. After reading a few paragraphs about humidity, individuals build a wet-bulb/dry-bulb hygrometer to measure the amount of humidity in the air. 

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CCSS: Adaptable
NGSS: Adaptable
Additional Tags
Instructional Ideas
  • Use during unit on weather
  • Spend a day with whole class completing this activity, then use setup for 10 more days, recording data to compare with local weather stations
Classroom Considerations
  • Activity is suitable for middle school learners as well
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Includes a relative humidity chart
  • Contains a few paragraphs or background information on water vapor and hygrometers
  • There are no critical thinking questions
Common Core