Conduction of heat takes place through a
substance. (radiation, white, conduction, blue, convection, bad conductor, good conductor, black, reflection)
Important Questions on Heat
The shining surface in a thermos flask decreases the outgoing heat by _____. (radiation, white, conduction, blue, convection, bad conductor, good conductor, black, reflection)
Cooking utensils are made from metals due to their property of _____. (radiation, white, conduction, blue, convection, bad conductor, good conductor, black, reflection)
The earth receives heat from the sun by _____ .(radiation, white, conduction, blue, convection, bad conductor, good conductor, black, reflection)
Identify the objects those absorb heat from the below list?
Steel spoon, wooden board, glass vessel, iron griddle (rave), glass, wooden spoon, plastic plate, soil, water, wax.
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Why are the houses in Rajasthan painted white ?
What are the modes of heat transfer?
Explain which mode of heat transfer causes sea breezes and land breezes.
