GEO 101 CSUGC Geology Mod 6 Weather Instruments Essay

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Science

GEO 101

Colorado State University Global Campus

GEO

Description

For this week’s lab, you will build a backyard weather station that  you will use to collect at least five days’ worth of measurements (see Module 7 lab). The instructions for building most of the weather instruments are located here: https://aamboceanservice.blob.core.windows.net/oceanservice-prod/education/for_fun/BuildyourownWeatherStation.pdf (Links to an external site.). Directions for a do-it-yourself thermometer are found here: https://www.scientificamerican.com/article/measure-up-with-a-homemade-thermometer/ (Links to an external site.).  Following the instructions provided, construct a barometer and a  thermometer, along with at least one of the other four possible  instruments (hygrometer, wind vane, anemometer, rain gauge). When  constructing your thermometer, please complete the calibration step,  which will require a store-bought one (listed as optional in the  instructions). Take a digital photograph of each instrument that you  construct. Include in your photo a strip of paper with your name and the  date on it.

For your lab report this week, submit a short essay covering every  weather instrument in turn: thermometer, hygrometer, barometer, wind  vane, anemometer, rain gauge (even the ones you did not build). For each  one, provide a brief history behind it; discuss what it measures;  explain how your instrument works; and explain what information it  provides about current and potential future weather conditions. 

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Running head: WEATHER INSTRUMENTS

Weather Instruments
Student’s Name
University

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WEATHER INSTRUMENTS

2
Weather Instruments

Thermometer
A thermometer is a weather instrument that measures the temperature or temperature
gradient. It comes from the Greek words thermos, which means hot and metron, which is
translated to mean measure. Initially, the development of the thermometer followed a realization
that changes in temperature in the atmosphere could be measured through primitive glass devices
that were filled with liquids. Although Galileo Galilei is often credited with inventing the
thermometer, its development followed a series of simultaneous developments from different
scientists. The earliest forms of thermometers were the thermoscopes that lacked numerical
values to depict the changes in temperature. The more modern thermometer was invented by
Daniel Fahrenheit in 1709 and included an enclosed glass tube with an accompanying numerical
scale. The scale first contained alcohol but was later improved to use mercury (Berg and
Schmitz, 2007). Today, thermometers use electrical sensors and infrared in measuring changes in
temperature.
The thermometer is a fairly straightforward weather instrument in measuring the
temperature of the atmosphere. Ideally, the thermometer ascertains the hotness or coldness of the
atmosphere against a Celsius or Fahrenheit scale. Most of the air thermometers rely on alcohol of
mercury liquids within enclosed glass tubes. Changes in the temperature of air from the
atmosphere reflect in the thermometer through the heating and cooling of the liquid within the
tube. As this process occurs, the liquid rises or falls down the tube against a scale that shows the
actual temperature. The thermometer provides information about the actual temperature of the

WEATHER INSTRUMENTS

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atmosphere at a specific time and place. Regular temperature scores of a specific place and time
can then be used to provide predictions of future temperatures.
Hygrometer
The hygrometer is a weather instrument used in measuring the humidity or content of
water vapor in the atmosphere. Although humidity is either measured as absolute or relative
humi...


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