How to Use a Cricket as a Thermometer

By eHow Hobbies, Games & Toys Editor

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Male crickets rub their wings together to attract females. You can measure the air temperature to within a few degrees by listening to a chirping cricket and applying a simple mathematical formula.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

  • Timers
  • Stopwatches

Step1
Count the number of times that the cricket chirps in 14 seconds.
Step2
Add 40 to this number. This will be the air temperature in degrees Fahrenheit.

Tips & Warnings

  • Different species of crickets respond differently to the air temperature and will use slightly different calculations. This formula is based upon an average of common cricket species.
  • To calculate the temperature in degrees Celsius, count the number of chirps in 8 seconds and add 3.
  • The accuracy of these formulas decreases as the air temperature nears freezing.
  • A chirping cricket is considered to be a sign of good luck in some countries, such as Britain.

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eHow Article:  How to Use a Cricket as a Thermometer

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