Kid's Corner -- Activity
Kids' Corner
Print & Do
Activity Center
Living Thermometer
Age Group:
8 to 12 years old
Materials Needed:
- Stop watch or clock with second hand
Activity:
Male crickets chirp by rubbing their wings, both to attract females and to ward off competing males.
- Use a stop watch or a clock with a second hand to count the number of times a cricket chirps in a sixty-second span.
- Subtract forty from the count, divide the result by four, and add fifty.
- You now have the temperature in Fahrenheit degrees.
National Safety Council
1025 Connecticut Avenue, NW, Suite 1200,
Washington, DC 20036
(202) 293-2270 (tel); (202) 293-0032 (fax)
