Questions one to 5
who invented the first thermometer and what was it like
thermoscopes, were simple air and water devices invented by Galileo around 1592
What is the average body temperature
37
thermometer
It has liquid in it and numbers on the outside to measure temperature
whats the differences of temperature and thermal energy
Temperature is a measure of the average energy of the particles in a material. Thermal energy is the total energy of all particles in the material.
How did Anders Celsius improve the thermometer
He made boiling at 100C degrees and freezing at -0C
What is comfortable room temperature
22.5
thermal couple
wires made of two different metals are twisted together when the twisted wire ties are heated,a small electrical current is generated. The amount of current depends on the temperature of the wires.
what is energy
Energy is a measure of somethings ability to do work.
The particle theory of matter
1.All substances are made of tiny particles to small to be seen
2.Each substance has unique particles
3.The particles are always in motion
4.When heat is added to a substance the particles move faster when heat is lost from a substance the particles move slower. 5. Particles are held tether by attractive forces
What is the boiling point of water at sea level
100C
Bimetallic strip
it is a strip made of two different metals joined firmly together. As the strips heated it will start to curl when it get cold the process is reverted.
what happens to an ice cube when you put it in very hot water
the ice cube will absorb some of the hot molecules causing the rest of it to slow down
solids,liquids,gases
solid is rigid,fixed shape,fixed volume
liquid is not rigid,no fixed shape,fixed volume
gas is not rigid,not fixed shape,no fixed volume
What is the freezing point of water at sea level
0C
infrared thermal
the colours indicate the highest and lowest temperature. Red highest blue lowest green middle
which way does thermal energy always flow
hot to cold
Know the following terms thermal energy,temperature,heat
some sources of thermal energy is chemical energy,eclectic energy,solar energy
temperature is if something is very hot or cold
heat is particles moving fast to make it hot
how is there less thermal energy than a kettle of lukewarm water
there is less particles in the cup of tea
recording thermometer
it has a bimetallic strip and a special pen attached to the end of it and it can measure temperature for a week
how can humans use technology with thermal energy
ex.infrared scanner
cup
laptop