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Topic: Galileo thermometer

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	Howstuffworks "How does a Galileo thermometer work?"
		Based on a thermoscope invented by Galileo Galilei in the early 1600s, the thermometer on your co-worker's desk is called a Galileo thermometer.
		The Galileo thermometer consists of a sealed glass tube that is filled with water and several floating bubbles.
		The basic idea is that as the temperature of the air outside the thermometer changes, so does the temperature of the water surrounding the bubbles.
	www.howstuffworks.com /question663.htm (468 words)

	Galileo's Observations & Inventions
		Galileo seems, at an early period of his life, to have adopted the Copernican theory of the solar system, and was deterred from avowing his opinions - as is proved by his letter to Kepler of August 4, 1597, by the fear of ridicule rather than of persecution.
		Galileo was not the original inventor of the telescope.
		Before the close of 1610 the memorable cycle of discoveries begun in the previous year was completed by the observation, as it appeared to Galileo, of the triple form of Saturn (the ring-formation was first recognized by Christiaan Huygens in 1655), of the phases of Venus, and of the spots upon the sun.
	www.2020site.org /galileo/observations.html (999 words)

	Galileo thermometer - Wikipedia, the free encyclopedia
		A Galileo thermometer, Galilean thermometer or thermoscope is a thermometer made of a sealed glass cylinder containing a clear liquid.
		In the Galileo thermometer, the small glass bulbs are partly filled with a different (coloured) liquid.
		Figure 4 shows a schematic representation of a Galileo thermometer at two different temperatures (the temperature markings on this example are in Fahrenheit).
	en.wikipedia.org /wiki/Galileo_thermometer (703 words)

	River City Cuckoo Clocks-Galileo Liquid Thermometer (Site not responding. Last check: 2007-10-20)
		Four hundred years ago Galileo discovered that specifically weighted floating bubbles would predictable rise or sink in a liquid as the temperature of that liquid is changed.
		Galileo Thermometers are magnificent creations that make Galileo's 400 year old principle of relative density a functional reality.
		An accurate indoor thermometer encased in brilliant glass, the Galileo is the point at which art meets science.
	www.rivercitycuckooclocks.com /galileo.htm (526 words)

	How Does the Thermometer Work?
		One of the earliest inventors of a thermometer was probably Galileo.
		The thermometers we use today are different than the ones Galileo may have used.
		Early thermometers used water, but because water freezes there was no way to measure temperatures less than the freezing point of water.
	www.energyquest.ca.gov /how_it_works/thermometer.html (676 words)

	15 inch Galileo Thermometer
		Galileo Galilei, the pioneer of modern physics and astronomy, never could have imagined that the remarkable thermometer he invented four centuries ago would become one of the most attractive, intriguing, eye-catching gift items today.
		To look at a glass Galileo Thermometer is to behold not only an instrument that tells the precise temperature but also a work of beauty and art.
		The Galileo Thermometer is a conversation piece that leaves a lasting impression.
	www.physlink.com /estore/cart/GalileoThermometer-15inch.cfm (239 words)

	Galileo Thermometers from the Thermometer Shop
		A Galileo thermometer really is a working thermometer as well as an attractive piece of glassware for your home, office or conservatory.
		Galileo thermometers use a principal developed by Galileo GALILEI, the famous Italian scientist and astronomer, during the early years of the 17
		Galileo thermometers make great gifts for birthdays and Christmas and are available in five sizes and five colour options.
	www.thermometershop.co.uk /galileo_thermometers.htm (249 words)

	BBC - Gloucestershire Weather - G is for Galileo
		Galileo is said to have built the first thermometer about 400 years ago.
		That's why, in the thermometer named after him, as the temperature rises and the density of the liquid in this tube decreases, differently weighted glass globes sink to the bottom of the tube.
		We may use hi-tec remote sensors for measuring temperatures these days and the Galileo thermometer is now nothing but an attractive curiosity but there is a quite a history behind the development of temperature and temperature measurement - and it all began with Fahrenheit, Celsius and Galileo.
	www.bbc.co.uk /gloucestershire/weather/a-zweather/galileo.shtml (412 words)

	Galileo Weather Station Combo (Site not responding. Last check: 2007-10-20)
		Galileo's that have been repacked often do not survive a second shipping.
		The Thermometer portion of the instrument works on a "Natural Law of Physics" discovered by Galileo Galilei (1564-1642).
		It was Galileo, "the Father of Modern Physics", who established the principle that the density of liquid changes with temperature.
	www.tvweather.com /weathershop/cm_galileo_station.htm (556 words)

	Galileo Thermometer (Site not responding. Last check: 2007-10-20)
		The Galileo Glass Thermometer is 17 inches tall and was invented centuries ago by Galileo who discovered that the densities of liquids change as temperatures change.
		Each of the glass balls inside the thermometer is exactly weighed by partially filling each sphere with liquid.
		This unique thermometer is a great conversation piece and makes a colorful first class decoration in any room.
	explore4fun.com /gath.html (98 words)

	Galileo Thermometers from Gem of the Day(tm)
		Galileo is best known for is his studies of astronomy, free fall, and his several inventions.
		Galileo taught mathematics at the University of Pisa and at the University of Padua.
		Galileo was branded a heretic by the church in 1633 and sentenced to life in confinement.
	www.gemday.com /item0701.htm (578 words)

	Galileo Thermometer, 12in, 5 spheres
		WHat Galileo discovered is that spheres of different weights would rise or fall according to the temperature.
		Because the liquids in the cylinder contract slightly at lower temperatures and expand slightly at higher temperatures, the spheres rise and fall accordingly.
		In a Galileo thermometer, the lowest floating sphere in the upper part of the cylinder tells the correct temperature.
	www.bargainjims.com /Images/Products/ProductAd.ASP?ItemCode=galileo5&cat=Gifts&subcat= (227 words)

	9" Multi-Colored Galileo Thermometer
		To look at a Galileo Thermometer is to behold not only an instrument that tells the precise temperature but also a work of beauty and art.
		The thermometers we offer are made of blown glass and attract consumers who want something that appeals to them visually, practically and intellectually.
		The Galileo Thermometer is a unique lookng cylinder filled with colorful spheres that float in a special liquid and measure the correct temperature base on a fascinating scientific principal.
	www.chronitech.com /catalog/item/685828/803337.htm (178 words)

	Galileo Activity
		Galileo Thermometer (easiest to see and discuss what's happening if floats have different colored liquids and main liquid in cylinder is clear).
		Using the space heater allows enough time for the Galileo thermometer to warm up through its full range of temperature during the class period, allowing time for discussion at the end.
		In the Galileo thermometer, movement up and down movement was triggered by changes in density, which in turn were caused by changes in temperature.
	www.ldeo.columbia.edu /edu/DLESE/activities/Galileo (2479 words)

	Galileo Thermometer
		Galileo was one of the most renown Renaissance scientists.
		One of Galileo's discoveries was that as the temperature of a liquid increases, its buoyancy decreases.
		Galileo's findings were translated by instruments showing room temperature from 16-25 deg.C and 60-78 deg.F. Sealed glass spheres with finely calibrated counterweights float in a non-toxic liquid sensitive to temperature.
	www.wxstore.com /gali.htm (250 words)

	Shopping.com - Shopping made simple
		Galileo discovered centuries ago that a liquid's density varies with temperature.
		Galileo Thermometers are designed to add character and charm to any home or office environment and make an attractive gi...
		Galileo thermometer measures 11H x 1 3/8 diameter, has 5 temperature spheres with temperature range starting at 64Â°F to 80Â°F in 4Â° increments.
	www.shopping.com /xGS-Galileo_Thermometer (678 words)

	Galileo Thermometers of hand-blown glass from G. W. Schleidt
		The Galileo Thermometer is a unique-looking cylinder filled with colorful spheres which float in a special, FCKW-free liquid and measure the correct temperature based on a fascinating scientific principle.
		To look at a Galileo Thermometer is to behold not only an instrument which tells the precise temperature, but also to behold a work of beauty and art.
		The Galileo Thermometer is a conversation piece which leaves a lasting impression.
	www.thingsunique.com /thermometers/18reserv.htm (272 words)

	Thermometer - Wikipedia, the free encyclopedia
		The word thermometer is derived from two smaller word fragments: thermo from the Latin (or Greek) for heat and meter from Latin, meaning to measure.
		In 1593, Galileo Galilei invented a rudimentary water thermometer (using the contraction of air to draw water up a tube).
		Most thermometers are originally calibrated to a constant-volume gas thermometer.
	en.wikipedia.org /wiki/Thermometer (254 words)

	24" Galileo Thermometer
		Galileo developed a thermometer based on the law of physics.
		When the temperature rises, the liquid in the glass tube becomes less dense, causing the floating glass spheres to sink one by one.
		Each sphere has a temperature indicating medallion; the temperature is read by the lowest floating sphere.
	www.e-corporategifts.com /galileo24.html (49 words)

	Galileo's Thermometer
		He built a thermometer comprised of a number of small glass spheres with small tags on the bottom and placed in a tall cylindrical container filled with water.
		The water thermometer value is read as the number on the sphere tag which is at the bottom of the floating spheres.
		One way to make these is to use a larger container of water with a better thermometer in it.
	www.grow.arizona.edu /water/galileothermometer.shtml (330 words)

	Galileo liquid and glass thermometers (Site not responding. Last check: 2007-10-20)
		The liquid inside the Galileo is clear and contains paraffin and petroleum distillates, which are found in many household products.
		Temperature spheres and thermometer body are individually hand blown by master craftsmen.
		Display the Galileo away from air conditioning vents or cold windows.
	www.tvweather.com /weathershop/lcm_galileo_thermometers.htm (531 words)

	Galileo Thermometers - Galileo Thermometer Specialist (Site not responding. Last check: 2007-10-20)
		With so many different types of galileo thermometers on the market you can be rest assured by our no quibble money back policy when buying one of these beautiful gift thermometers.
		All of our galileo thermometers are built to last and can and will stand the test of time.
		You will find cheaper galileo thermometers to give as gifts but having sold these for years we know what works and what does not.
	www.a1gifts.co.uk /GalileoThermometers.asp (357 words)

	Large Galileo Thermometer (24 inches - 61 cm) (Site not responding. Last check: 2007-10-20)
		Hand crafted of blown glass, this multi-colored Galileo indoor thermometer stands a full two feet (61 cm) high.
		Galileo (1564-1642) ran a series of experiments to quantify the temperature dependence of water density.
		He placed liquid-filled glass spheres in water and observed their rise and fall as the water temperature fluctuated.
	www.4physics.com /catalog/product_info.php/cPath/21_27/products_id/145 (216 words)

	Galileo Thermometers Liquid Thermometer
		Each Galileo thermometer has colored glass spheres that have been precisely weighted so that they respond to temperature changes by rising or falling in a liquid filled, hand blown glass cylinder.
		The lowest floating sphere indicates the current air temperature, with each Galileo thermometer temperature sphere being dual calibrated for accuracy.
		Our Galileo thermometers are filled with a non-toxic fluid that is safe for you and the environment.
	www.gormangiftgallery.com /galther1.html (112 words)

	Galileo's thermometer and other discoveries: pendulum
		Galileo used this microscope that was invented by Anton van Leeuwenhoek.
		Galileo discovered that pendulums could be used for the accurate measurement of time.
		6) Galileo suggested that latitude at sea could be determined by timing eclipses of the satellites of Saturn.
	www.galileo-galilei.org /galileo-thermometer.html (127 words)

	20" (50 cm) Galileo Liquid Thermometer
		In this unique and visually stunning Galileo thermometer, temperatures are marked on small multi – coloured discs attached to spheres that float in a special (non–toxic) liquid.
		As the liquid in the cylinder contracts at lower temperatures and expands at higher temperatures the spheres rise and fall accordingly.
		This beautiful thermometer is made of blown glass and would look fantastic in any home.
	www.whateveruwant.com.au /20_Galileo_Liquid_Thermometer_P395.aspx (222 words)

	Galileo Weather Station Combo
		Galileos that have been repacked often do not survive a second shipping.
		It was Galileo, "the Father of Modern Physics", who established the principle that the density of liquid changes with temperature.
		The liquid in the Galileo Thermometer cylinders is completely sealed and can be safely displayed in your home.
	www.weathershop.com /cm_galileo_station.htm (746 words)

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