unit 3, topic 2 Flashcards
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
the steps for the thermometer
the scale is divided into 100 equal degrees and numbered
The units of temperature on the Kelvin scale are
not degrees but are simply called kelvins.
What do people do in the summer before cool winds in a thunderstorm
can make people shiver and reach for sweaters, even through the temperature is still far above freezing
how is thermal energy made
by heat
what is energy
is measure of something’s ability to do work
what is the temperature of lava is
very hot or very cold or everyday?
1150 very hot
what is the temperature of a candle flame
very hot or very cold or everyday?
800 very hot
what is the temperature for baking bread
very hot or very cold or everyday?
very hot 200
what is the temperature of the interior of the sun
very hot or very cold or everyday?
very hot 15 000 000 billion
what is the temperature of boiling water at sea level
very hot or very cold or everyday?
very hot 100
what is the temperature of the surface of the sun
very hot or very cold or everyday?
very hot 6000
what is the temperature of ocean currents off Canada’s east coast
very hot or very cold or everyday?
1 everyday
what is the temperature of ocean currents off Canada’s west coast
very hot or very cold or everyday?
4 to 10
what is the temperature of a comfortable room
very hot or very cold or everyday?
20 to 25
everyday
what is the temperature of a budgie bird
very hot or very cold or everyday?
40
everyday
what is the temperature of a normal body
very hot or very cold or everyday?
37
everyday
what is temperature of hot tea
very hot or very cold or everyday?
55 everyday
what is the temperature of the worlds record of coldest air
very hot or very cold or everyday?
-87 very cold
what is the comfortable temperature for heat-loving bacteria
very hot or very cold or everyday?
-92 very cold
what is the temperature for ice-cream
very hot or very cold or everyday?
-5 very cold
what is the temperature for food in a freezer
very hot or very cold or everyday?
-10 to -15 very cold
temperature for slush of our water and ice
very hot or very cold or everyday?
very cold 0
what is the temperature where the space shuttle flies in orbit
very hot or very cold or everyday?
-121 to -156 very cold
what is a thermometer
are mechanical or electrical devices for measuring temperature.
who invented the first air thermometer
Galileo
what year was the air thermometer invented
1600
how does the air thermometer work
As the air in the upper bulb cooled or warmed, a bubble of liquid moves up or down in the tube
what year was the more improved thermometer invented
the year 1700
how was the more improved thermometer made
it was made by putting the liquid in the bulb and part way up the stem
what is the celsius scale
The most common scale for measuring temperature; on the celsius scale water at sea level boils at 100◦ and freezes below 0◦
what is the meaning of boiling point
the temperature at which liquid begins to boil and change into a gas or vapour
what is the top layer of the glacier?
loss and packed with snow
what is the second layer of the glacier ?
“firn” (snow, ice grains)
what is the third layer of the glacier?
solid glacial ice
what is the fourth layer of the glacier?
moving (plastic) ice
at the top of most Everest water would boil at only…
69 ℃
can you find a bimetallic strip in a thermostat
yes
what is a recording thermometer
it is a type of thermometer that records temperature over a period of time
a recording thermometer uses a _________ to detect changes in its temperature
bimetallic strip
what does the infrared thermometer do
It indicates the highest and lowest temperature by showing colour
some type of crystals turn different types of colours at different temperatures true or false? give a example
true like a thermometer used to check your temperature
