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.
Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer 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Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer Thermometer 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Thermometer..... ...
F or C, Fahrenheit or Centigrade
feel it and you will know
Its temperature.
thermometer
Something is conducting thermal energy if it is hot or cold to touch. Heat is thermal energy and heat can be felt by either the feeling of cold, or hot.
Hot things have more energy than cold one.
temperature
because when something hot touches something cold the heat touches the surface of the cold thing making it burn and spread the heat around making it warm.
at the end of each sensory nerve there is a sensor - hot, cold, pressure, vibration, etc. If the sensors for hot are stimulated (hotter than what's around them (the rest of you), then they cause the associated nerve to fire ... at the brain that's interpreted as hot.
The temperature of the object will provide this information.
Temperature tells what degrees it is like how hot or cold something is
Something is conducting thermal energy if it is hot or cold to touch. Heat is thermal energy and heat can be felt by either the feeling of cold, or hot.
usually the hot will be steaming so you know that is hot and what is not steaming could be cold
Hot things have more energy than cold one.
endothermic is when something changes from to hot to cold and ectothermic is when something changes from cold to hot.
How hot or cold something is.
Thermometer
Thermometer
Heat flow determines how hot or cold something feels when you touch it.
Cold war no bullets fly, hot war everything flies.
temperature