Question

al Name the three ways in which heat an be transferred
b) How does heat generally get transferred in solids
d Give two examples of Insulators.
d what is the clinical thermometer used to measure?
e) What prevents the mercury from falling downloadinical
TYPE-
7 WRITE THE WORDS CONDUCTON,CONVECTION OR RADIATION IN THE FOLLOW
SITUATIONS
a) Cool air from air conditioners moves towards the ground.
by Air is warmer near the ceiling than the floor.
We sit in front of an electric heater and feel warm.
d Water heated in a vessel starts to boil.
el A metal spoon kept in a hot glass of milk becomes warm.
2. GIVE REASONS FOR THE FOLOWING STATEMENTS
aj Wearing more layers of dothes keeps us warmer in winters.
b) A glass tumbler sometimes cracks when very hot water is poured in it​

Answer 1

d) wool is insulator of heat

d) thermometer is used to measure body temperature...

e)the clink present in the upper body of thermometer