unit 3, topic 2 Flashcards
(65 cards)
A devise used to measure temperature is
a thermometer
what is a scale
A series of equally divided sections that are marked and numbered for use in measurement
what is kelvin
A scale used for measuring temperatures in scientific experiments
what temperature does water freeze on the kelvin scale
273 Kelvin coldest possible temperature
what temperature does water boil on a Kelvin scale
373 Kelvin
what is a sensor
A material that is affected by changes in some feature of the environment such as temperature
A pointer, light, or other mechanism that uses the signal in some way is a
responder
what Is a signal
Its when the sensor produces a signal information about temperature, such as a electrical current
what is the record for the lowest temperature in Canada were was it recorded
it is -62.8℃ it was recorded at Snag, in the Yukon Territory.
what is the record of the highest temperature in Canada and where was it recorded
it is 45℃ it was recorded in sweetgrass, Saskatchewan on a map of Canada
who was Anders Celsius
He suggested his temperature scale in 1742
Explain how Celsius made his temperature scale.
He used the “degree” as the unit of temperature. He based his standards on the properties of water, the most abundant liquid on earth.
celsius assigned zero degrees so the temperature at which ice melts at …
sea level
celsius assigned a value of 100 degrees to the temperature as in which liquid water …
boils at sea level.
true or false Hot water boils faster in Calgary then Vancouver
true
where could you find a bimetallic strip?
in both a a hot thermos and a cold thermos
where can you find a thermocouple ?
on a temperature probe to a computer
What does the word thermograph mean?
a “temperature writer”.
where did the word thermocouple come from
the syllable “term comes” from the Greek word temperature of heat, and the syllable for “graph” comes from the greek word writing.
anything that is warmer than_________ gives off ________
- absolute zero
2. infrared
one way to estimate temperature is just to …
touch something
who is William Thomson
he is the one who invented the Kelvin scale
The units of temperature on the Kelvin scale are
not degrees but are simply called kelvins.
what do people do in the winter when the air temperature rises above freezing after a cold snap?.
People feel warm and take off their warm heavy clothing
