we measure temprature by using ----------
thermometer
-------,------- and------ are good conductors of heat
copper aluminium mercury
ST : materials that allows the heat flow through
HEat conductors
TF : Aluminium is bad conductor of heat
F
TF: Wood is good conductor of heAT
f
tf: AIR IS USED IN MANUFACTURING OF INSULATING GLASS
T
TF: Metals are bad conductors of heat
F
GR: Heat is important in our daily life
we use it for warming cooking drying washed clothes glass industry food industryheating water
GR : when you hold a hot cup ,you feel hot
the heat transfers from the hot cup to my hands
TF : Aluminium condusts heat faster than iron
T
GR : the handle of the kettle is made of plastic
as plastic is heat insulator
GR : aluminium and stainless are important conductors
we use them in making cooking utensils
TF: handles of cooking pots are made of copper
F
TF : different metls transfer heat at the same rate
F
SF :a form of energy used in warming water and cooking
heat energy
heat is used in some industries as ----- and -=-----
glass industry and food industry
