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Invisible electromagnetic radiation was discovered with what-?
Invisible electromagnetic radiation was discovered with the help of experiments by scientists such as Johann Wilhelm Ritter, William Herschel, and Sir William Crookes. They observed the effects of this radiation on different materials and discovered various types of electromagnetic waves beyond visible light.
How do you tell how hot or cold something is?
use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
Who invented the resistance thermometer?
The resistance thermometer was invented by Sir William Siemens in the 1860s. He discovered that the resistance of metals changes with temperature, leading to the development of this type of thermometer to accurately measure temperature changes.
Who firstly invented resistance thermometer?
Johan August Arfwedson is credited with inventing the first resistance thermometer in 1833. He discovered that the electrical resistance of metals changes predictably with temperature, laying the foundation for modern resistance temperature detectors or RTDs.
Who discovered clinical thermometer?
Santorio Santorio, an Italian physician, is credited with inventing the clinical thermometer in the early 17th century. He was the first to use a sealed glass tube with a numerical scale for measuring body temperature.
A sentence with the word thermometer?
Allison checked the thermometer and discovered that it was below zero degrees.
Which Swedish scientist discovered thermometer?
celsius
Who was discovered thermometer?
Daniel Gabriel Fahrenheit
How was the thermometer discovered?
Wikipedia explains it well. See "Thermometer" in "related links" for a link to the wikipedia page.
What is the name of the scientist who discovered Celsius thermometer?
Anders Celsius.
Who was born in 1686 and discovered the thermometer?
Daniel Gabriel Fahrenheit.
Invisible electromagnetic radiation was discovered with what-?
Invisible electromagnetic radiation was discovered with the help of experiments by scientists such as Johann Wilhelm Ritter, William Herschel, and Sir William Crookes. They observed the effects of this radiation on different materials and discovered various types of electromagnetic waves beyond visible light.
How do you tell how hot or cold something is?
use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
Who invented the resistance thermometer?
The resistance thermometer was invented by Sir William Siemens in the 1860s. He discovered that the resistance of metals changes with temperature, leading to the development of this type of thermometer to accurately measure temperature changes.
Who firstly invented resistance thermometer?
Johan August Arfwedson is credited with inventing the first resistance thermometer in 1833. He discovered that the electrical resistance of metals changes predictably with temperature, laying the foundation for modern resistance temperature detectors or RTDs.
Who discovered clinical thermometer?
Santorio Santorio, an Italian physician, is credited with inventing the clinical thermometer in the early 17th century. He was the first to use a sealed glass tube with a numerical scale for measuring body temperature.
What are the types of thermometer?
Celsius, Fahrenheit, and Kelvin.
