Heat Transfer Methods
Physics ⇒ Heat and Thermodynamics
Heat Transfer Methods starts at 7 and continues till grade 12.
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See sample questions for grade 9
A metal rod is 50 cm long. If one end is kept at 100°C and the other at 0°C, which direction will heat flow?
A metal rod is heated at one end. After some time, the other end also becomes hot. Which method of heat transfer is responsible for this?
A person stands in front of a heater and feels warm. Which method of heat transfer is primarily responsible?
A pot of water is heated on a stove. Which method of heat transfer occurs between the stove and the pot?
A metal rod is 50 cm long. If one end is kept at 100°C and the other at 0°C, which direction will heat flow?
A metal rod is heated at one end. After some time, the other end also becomes hot. Which method of heat transfer is responsible for this?
A person stands in front of a heater and feels warm. Which method of heat transfer is primarily responsible?
A pot of water is heated on a stove. Which method of heat transfer occurs between the stove and the pot?
The transfer of heat in liquids and gases mainly occurs by:
(1) Conduction
(2) Convection
(3) Radiation
(4) Insulation
Which of the following is an example of convection?
(1) Heating a metal rod in a flame
(2) Boiling water in a pot
(3) Feeling the warmth of the sun
(4) Ironing clothes
Which of the following is an example of heat transfer by radiation?
(1) Boiling water
(2) Sunlight warming your face
(3) Heating a pan on a stove
(4) Ironing clothes
Which of the following is NOT a method of heat transfer?
(1) Conduction
(2) Radiation
(3) Reflection
(4) Convection
Fill in the blank: The movement of heat from a warmer object to a cooler one is called __________.
Fill in the blank: The process by which heat is transferred from the Sun to the Earth is called __________.
Fill in the blank: The process of heat transfer that involves the movement of energy through empty space is called __________.
Fill in the blank: The transfer of energy by electromagnetic waves is called __________.
True or False: Air is a good conductor of heat.
True or False: All objects emit some form of radiation.
True or False: Convection currents can form in solids.
True or False: Heat always flows from a colder object to a hotter object.
