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thermometers

Thermometer
Image: iStockphoto.com/nikamata

Thermometer

It's not just subzero weather or hot foreheads that we use thermometers for. These devices let us read everything from temperatures at the atomic scale to those of stars light years away

Investigate the many types of thermometers and how they are able to read temperatures in solid, liquid, and gas states.

National Geographic
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The Galileo Thermometer

The Galileo Thermometer

It's easy to see why this is considered one of the most beautiful scientific instruments. Take a look at the 17th-century design and find out why its creators named it after Galileo. More...

Images
Kuriositas
Thermometer Challenge

Thermometer Challenge

What's the difference between electronic, glass, resistance, and gas thermometers? And why do those differences matter? Find out. More...

Article
Rough Science/PBS
Water Thermometer

Water Thermometer

Grab a glass bottle, clear straw, molding clay, and hot and cold water to make your own thermometer. You'll also see firsthand what happens when water molecules cool and heat up. More...

Activity
Sick Science!
Digital Thermometers

Digital Thermometers

How can digital thermometers read your temperature so much faster than the old glass sticks? Take a look at their electronic components at work.
More...

Interactive
Wisc-Online.com
How Do Ear Thermometers Work?

How Do Ear Thermometers Work?

Eardrums offer an accurate measure of body temperature, but they're also really fragile. How do they work without actually touching your eardrum? More...

Article
HowStuffWorks
How It’s Made: Thermometers

How It’s Made: Thermometers

Making a traditional glass thermometer is surprisingly intense. Watch the process, from forming the glass to calibrating the temperature readings. More...

Video
Discovery
Nano-Thermometer Enables First Atomic-Scale Heat Transfer Measurements

Nano-Thermometer Enables First Atomic-Scale Heat Transfer Measurements

Scientists have created a thermometer that can measure heat transfer at the atomic level. Could this nano discovery lead to even smaller cell phones? More...

Article
Science Daily
Natural Thermometers

Natural Thermometers

Thermometers have been around for a few hundred years. Yet, scientists need temperatures thousands of years old to study climate change. See how they use natural recorders of temperature. More...

Video
Exploratorium
Temperature and Thermometers

Temperature and Thermometers

Temperature: A seemingly simple concept with three different scales used to measure it. Explore how thermometers read temperature. Then check your understanding with a quick quiz. More...

Article
The Physics Classroom

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