Code Number: 4C32.15
Demo Title: Relative Humidity Indicator - Hygrometer
Condition: Excellent
Principle: Vapor Pressures/Partial Pressures
Area of Study: Thermodynamics
Equipment:
Relative humidity meter.
Procedure:
The meter will give a continuous reading of the relative humidity present in the lecture rooms.
References:
- Larry Silva, and Daniel Beiting, "What Does a Pine Cone Tell Us About Humidity?", TPT, Vol. 37, # 1, Jan. 1999, p. 48.
- Larry Silva, "More on Pine-Cone Behavior", TPT, Vol. 37, # 2, Feb. 1999, p. 67.
- Manfred Bucher, "Diagram for Relative Humidity", TPT, Vol. 24, # 6, p. 348, September 1986.
- Jay S. Huebner, "A Human Hair Hygrometer", TPT, Vol. 11, # 3, March 1973, p. 180.
- Thomas B. Greenslade, Jr., "Hair Hygrometer", AJP, Vol. 92, #11, Nov. 2024, p. 863.
- K. Tennakone, "Construction of an Electrical Humidity Sensor from Silica Gel," AJP, 53, # 10, October 1985.
- George M. Hopkins, "Hygrometry", Experimental Science, p. 196.
- A. D. Bulman, "Hygrometers", Model-Making for Physics, p. 29.
- Shawn Carlson, "Waiter, There's a Hair in my Hygrometer", The Amateur Scientist, June 1998.
- Albert G. Ingalls, "About a Hygrometer made From a Flower Pot, and Huge Telescopes with Compound Mirrors", The Amateur Scientist, May 1954.
- Julius Sumner Miller, Q118 & A118, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 14 & 77.